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Linear lesions on back

The initial clinical impression of the patient's asymptomatic, acquired, raised, firm, horizontal bands on her lower back was linear focal elastosis (Table 2).45-57Linear focal elastosis is an uncommon condition characterized by asymptomatic linear yellow palpable indurated horizontal bands that extend across the mid and lower back of predominantly older men Lesions typically develop along the skin tension lines and consist of multiple oval, sharply demarcated erythematous papules and plaques, especially on the trunk (usually < 1 cm in diameter). They show collarette-like scaling and form a characteristic 'Christmas tree pattern' on the back Types of Spinal Lesions. At the base level, a spinal lesion is classified as any abnormal change to the spinal tissue or spinal cord. Some common types of spinal lesions include tumors, cancers, fluid sacs or any other types of growths that disrupt normal back function. These growths can develop for a variety of different reasons, including

Linear Lumbar Localized Lysis of Elastic Fiber

The papules follow a linear band and may emerge in a continuous or intermittent pattern. The linear band on the other hand is composed of small lichenoid papules approximately 1 mm to 3mm in size. The colors of the papules ranges from tan, pink to skin colored while the texture may be scaly and smooth Spinal lesions may have symptoms of non-specific back pain, or myofascial pain syndrome. You may not be able to pinpoint where your pain is coming from. However, if the lesion affects the spinal nerve roots or spinal cord, you are likely to have nerve symptoms, which can include Linear lesions - 9 cases From time to time, we come across linear skin lesions. This can be very helpful diagnostically as there is a limited range of possible diagnoses. A careful history and examination of the morphology of the lesions usually sorts them out

Linear patterns of the skin and their dermatoses - Senner

What Are Spinal Lesions? Minnesota Spine Surgeon - Dr

  1. Lesion Configuration (Secondary Morphology) Configuration is the shape of single lesions and the arrangement of clusters of lesions. Linear lesions take on the shape of a straight line and are suggestive of some forms of contact dermatitis, linear epidermal nevi, and lichen striatus
  2. Lichen striatus starts as small pink, red or flesh coloured spots that over the course of one or two weeks join together to form a dull red slightly scaly linear band. The band is usually 2 mm to 2 cm in width and may be a few centimetres in length or may extend the entire length of the limb. Sometimes there are two parallel bands
  3. ation, his weight was 50 kg, and his height was 172 cm. His heart rate was 64 beats/
  4. Christmas tree rash (pityriasis rosea) is a fine, itchy, scaly rash that usually appears first as a single patch on the chest, abdomen or back. This rash (herald patch) may spread as small patches to other parts of the back, chest and neck. The rash may form a pattern on the back that resembles a Christmas tree

Psoriasis is a process that speeds up the life cycle of skin cells, which causes scaly, silvery, sharply-defined skin patches which are typically located on the scalp, elbows, knees, and lower back. The patches are itchy and may be painful. There is no cure for psoriasis, and it is a chronic problem that may come and go Recognizing Neoplastic Skin Lesions: A Photo Guide. LEWIS C. ROSE, M.B., B.S. (LOND), University of Texas Health Science Center, San Antonio, Texas. Am Fam Physician. 1998 Sep 15;58 (4):873-884. Noninfectious penile lesions are classified by clinical presentation as papulosquamous (e.g., psoriasis), inflammatory (e.g., lichen sclerosus, lichen nitidus, lichen. A back rash can have a variety of causes, and it may indicate something occurring around the back itself or suggest a systemic (body-wide) condition. Contact dermatitis (skin inflammation) is caused by an adverse reaction to something that touches the skin, including chemicals found in detergent, soap or a fragrance

Examination revealed excoriations and poorly demarcated, linear, hyperpigmented patches down the back. A punch biopsy was obtained from one of the darker patches. HOW TO TAKE THE POST-TEST: This.. Brain lesions are a type of damage to any part of brain. Lesions can be due to disease, trauma or a birth defect. Sometimes lesions appear in a specific area of the brain. At other times, the lesions are present in a large part of the brain tissue. At first, brain lesions may not produce any symptoms A distant view of the back of a 45-year-old Vietnamese man shows coining therapy-associated linear ecchymoses (white arrows) on the skin overlying the left and right scapula. Figure 2: Linear purpura resulting from coining on the upper back. Closer views of the left (a) and the right (b) side of the upper back show linear ecchymoses (white.

Nursing 534 &gt; Gruss &gt; Flashcards &gt; Dermatology flash cards

Here are 7 warning signs a skin rash is serious, according to experts. Some rashes like a rash on your back or an allergic reaction rash are more serious An atypical presentation is linear erythematous and hyperpigmented flagellate streaks of papules and plaques that may bear surface crusting and involve the trunk and limbs.3 Biopsy of these flagellate lesions shows hyperkeratosis, scattered neutrophilic dermal infiltrate, dermal mucin and dyskeratosis.

Lichen Striatus - Pictures, Causes, Treatment, Symptom

  1. We describe three adolescents with eruptive linear lesions of the back, abdomen, and extremities distributed along the lines of Blaschko. Clinically one of these lesions resembled an epidermal nevus in its morphology and distribution. A biopsy specimen demonstrated the typical histology of lichen planus (LP)
  2. Linear atrophoderma of Moulin (LAM) is a rare linear dermatosis. The condition usually presents in childhood or early adolescence as asymptomatic, unilateral, hyperpigmented, atrophic, linear bands along Blaschko's lines without prior inflammation or sclerotic appearance The lesions usually progress over a few months, then stabilise and persis
  3. Liver lesions are abnormal clumps of cells in your liver, and they are very common. They will be detected in as much as 30% of people over 40 who undergo imaging tests.   The majority of liver lesions are benign (not harmful) and don't require treatment. But in some cases, liver lesions are malignant (cancerous) and should be treated
  4. Flagellate hyperpigmentation — seen in this patient — is a pathognomonic cutaneous side effect of bleomycin and manifests as hyperpigmented linear streaks, found most commonly on the chest and.
  5. A skin rash on one lower leg can appear red, blotchy, or have a dry and scaly texture. Most rashes on the lower leg are caused by dermatitis, eczema, or an allergic reaction which will look like red, itchy bumps on the leg. Read below for more information on lower leg rashes and treatment options
  6. Linear lesions on the trunk include those on the chest,back and abdomen. The commonest linear lesions on these areas would be epidermal nevi particularly ILVEN and also lichen striatus. Inflammatory linear with blisters would suggest herpes zoster, followed by a plant contact dermatitis or a phytophotodermatitis from a photosensitising sap or.

Spinal Lesions: Symptoms, Causes, Diagnosis, and Treatmen

He was unaware of the pigmented lesions on his back. Cutaneous examination showed numerous brown patches, clinically consistent with lentigos, on the upper two-thirds of his back. A linear, brown and dark black, pigmented plaque was located on his left mid-back below the scapula. The lesion measured 10 x 2.8 mm (Figure 3) Sclerotic Bone Lesions. Sclerosis of a bone is a condition in which the bone itself thickens due to excessive calcium deposits. These growths on the bone are known as sclerotic lesions. Sclerosis can affect any of the bones in the body, including the spinal vertebrae. These lesions can be indicative of a more serious underlying condition An important diagnostic feature at MR imaging is the linear extension of the lesion along the fascia (fascial tail sign), which also may appear enhanced (, Fig 8,). Fibromatosis is a locally aggressive benign tumor that typically is seen in adults and that has low to intermediate signal intensity on MR images (, Fig 9,) Rash That Looks Like Scratches - Dermatology - MedHelp. Physical examination revealed multiple crosslinked linear plaques that appeared like scratches over his chest, back, and shoulders (Figures 1 and 2). He had noEvery so often small cuts/scratches appear on my body. I'm not sure where they come from. They are not blisters, rashes or bumps What is coining? Coining is a traditional techniques used to treat illnesses since ancient times that is widely practiced in China (also called Gua sha) and other South East Asian countries such as, Indonesia (referred to as Kerikan) Vietnam (referred to as Cao gio).The intention of coining is to rid the body of so called heatiness and negative energies (2)

Soft Tissue Masses | Radiology Key

No family members had similar skin lesions. On examination, his weight was 55 kg (75th percentile) and height 160 cm (50th percentile). His heart rate was 68 beats per minute and blood pressure 110/70 mm Hg. Multiple purplish, atrophic, horizontal linear striae were noted at the back in the thoracic area (Figure 1). His pubic hair was in the. Lichen striatus is a rash that appears as pink or lightly-colored, scaly, flat bumps. Over time, these bumps come together to form a line or band on the skin. Sometimes the rash can appear inflamed or redder, with a thicker scale. Sometimes it can be itchy. This is most common on the arms and legs Sclerotic lesions are spots of unusual thickness on your bones. While they're usually harmless, they can occasionally be cancerous. Several things can cause them, from bone infections to. Morphology: Shape of the primary lesion, e.g. linear, round. Nodule: A solid lesion (5-20mm) with an appreciable deep (dermal and/or subcutaneous) component, (lipoma, dermatofibroma) Dermatology for the Non-Dermatologist May 30 - June 3, 2018 - 2 - Fundamentals of Dermatology Daniel J. Van Durme, M.D.. Black and brown skin lesions can be considered as melanocytic neoplasms. The essential task is to exclude malignant melanoma. See also the separate Malignant Melanoma of Skin and Skin Biopsy Techniques in General Practice articles.. It is important to bear in mind that younger people in the UK are increasingly being affected by malignant melanoma, with over 900 diagnoses a year

The rash is mainly on his back, from his shoulder blades down to his upper buttocks, but there is some rash on both sides of his torso. It is mostly red, small, irregular circles, interspersed with patches of noncircular red rash. He reports it is only mildly itchy, if at all. The red circles and patches of redness are very slightly raised Clinically, it was featured with early-onset, grouped papules and plaques predominating on the extremities, with comedolike or spiny hyperkeratosis when located on the palms or soles. These lesions are commonly asymptomatic, and the distribution can be bilateral or unilateral with a linear pattern following the Blaschko lines We hereby report a case of azithromycin-induced linear fixed drug rash. The scarcity of documentation of azithromycin as a cause of FDE, and the uniqueness of localization and configuration of the lesions prompted the present report. A 23-year-old man presented with multiple black-colored patches over the back

Localized fibrosing disorders include a spectrum of rare conditions that frequently begin in childhood. Localized fibrosing disorders can be classified into several subtypes that include morphea, generalized morphea, and linear scleroderma, in which facial involvement is termed en coup de sabre. Linear scleroderma and morphea can coexist in the same patient Patients presenting with a lesion in the oral cavity should undergo a detailed medial and dental history and examination. The history should include the onset and duration of the lesion, change in size, history of trauma to the site, the presence of associated skin lesions, associated pain or bleeding, systemic signs and symptoms (e.g., fatigue, weight loss), use of over-the-counter and. ABSTRACT: Chronic irritation from smoking is the most common cause of white mucosal lesions. Because benign leukoplakic growths are virtually impossible to distinguish from carcinoma, biopsy is essential. Obtain a specimen at a nonulcerated area, using a scalpel or biting forceps and an injected or topical anesthetic Red, arteriole lesion, central body with radiating branches, associated with liver disease, pregnancy, and Vitamin B deficiency. Telangiectasis Spider-like or linear, bluish or red in color, does not blanch, associated with increased venous pressure states

Grover's disease, also known as transient acantholytic dermatosis, is a rare skin disorder characterized by the sudden appearance of small, firm, raised red lesions, most often on the skin of the chest and back The lesions are erythematous, scaly patches or plaques with irregular borders which can occur anywhere on the skin. They can become hyperkeratotic, crusted, fissured, or ulcerated and generally occur in sun-exposed areas. On the ear, they are most frequently found on the helical rim or the external side of the auricle Liver lesions are groups of abnormal cells in your liver.Your doctor may call them a mass or a tumor. Noncancerous, or benign, liver lesions are common Hypoechoic lesions on the kidneys may cause significant abdominal and back pain. Hypoechoic lesions can occur in any part of the body and for a range of reasons. By looking at an ultrasound image, a specialist may be able to determine whether a lesion is a cyst or tumor, and if it is solid in nature or contains any fluid. The general appearance.

Non-specific Vulvovaginitis •Risk factors •Bubble baths, shampoos, deodorant soaps, irritants •Obesity •Foreign bodies •Clothing (leotards, tights, blue jeans) •Anticipatory guidance •Cotton underpants.No fabric softeners for underwear. •Skirts and loose-fitting pants •No bubble baths •Soak (without soap) for 10 mins •Limit use of soap on genital area In a small cadaver study in 2003, Kakitsubata et al. demonstrated that 71% of rim lesions could be identified on T2 weighted FSE MRI and appeared as linear regions of high signal intensity that were transversely oriented to the end-plate Chickenpox is an illness that causes a red, itchy rash, fever, headache, sore throat, and body aches. Hives. Hives are red, raised areas of skin that can cause itching and are usually the result of an allergic reaction. Contact dermatitis. Contact dermatitis is a rash on the skin that can be itchy, painful, tender swollen and even blistered. Lic Linear morphea usually occurs on the arms or legs and appears as a single band of thick, discolored skin. The lesions can cross joints and extend to the tissue under the skin, as well as the. Linear nonblanching skin lesions sometimes develop in apparently healthy skin following mechanical friction. This tendency, often termed Köbnerization, is common in psoriasis, lichen planus, vitiligo, and many bullous dermatoses. 1 Very rarely, such lesions have also been documented in patients with Henoch-Schönlein syndrome, an immunoglobulin A-dominant leukocytoclastic small vessel.

A rash can develop in a few hours if you've had a rash from one of these plants before. If you've never had a rash from poison ivy, oak, or sumac, it can take 2 to 3 weeks before you see a rash. No matter how long it takes for the rash to appear, most people experience the following when they get a rash: The skin itches intensely where the. Lesions are located on the chin, neck, nape, upper chest, lower back, and buttocks, and also on the lower abdomen and medial side of the thighs. Rarely, the scalp, palms, and soles are involved. Clusters of pustules occur around the nipples and on pressure areas Symptoms & Signs. With skin ulcers and draining lesions, the first sign of a problem may be a crusty area on the skin, nose or foot. In other cases, skin problems may start out small and progress into more extensive lesions. They may open, drain and then develop a crusty surface. In some instances, there may be hair loss and the surface of the.

Understanding rashes. With so many different types of rashes, it's tricky to know which is which and how to treat them. That's why we've outlined the most common rashes for easy reference. FILED UNDER: Diaper rash Kids health Toddler health Pathology. SLAP tears involve the superior glenoid labrum, where the long head of biceps tendon inserts. They can extend into the tendon, involve the glenohumeral ligaments or extend into other quadrants of the labrum. Unlike Bankart lesions and ALPSA lesions, they are uncommonly (20%) associated with shoulder instability 5.. Etiology. In the acute setting, they are most frequently seen in.

Epidermal nevus

Two unrelated patients aged 60 and 61 presented with an asymptomatic, white, slightly raised line on the buccal mucosa extending bilaterally from the commissure to the last molar teeth along their occlusal line, involving also the inner lower lip mucosa (Fig 1, A and B). The lesions could not wipe off on scratching. Medical history was unremarkable Lesions may occur on any area of the oral mucosa. Usually only a few ulcers (one to six) occur at one time; they heal slowly over 10-40 days, and may heal with scarring. Occasionally, inflammatory markers may be raised. Herpetiform ulceration - tends to be found in slightly older patients, with a female predominance However, linear psoriasis on the arm and back remained refractory to ustekinumab and was especially pruritic [Figure 2a],[Figure 2b],[Figure 2c]. Biopsies on the lesions from linear and plaque psoriasis were both compatible with the diagnoses of psoriasis Ankle rashes can have several serious causes. A rash of purple spots on the ankles or other areas can be caused by a potentially serious condition, such as allergic purpura.Any rash that is associated with allergies combined with shortness of breath, wheezing, or swelling of the face, mouth or throat is a symptom of a serious, potentially life-threatening allergic reaction called anaphylaxis

Linear lesions - 9 cases DermNet N

The first was a 43-year-old woman with a 6 cm by 3 cm linear lesion on the back consisting of grouped comedones, with a history of inflammatory cysts within the lesion. The second was a 10-year-old boy who presented at birth with a shiny flat lesion on the right lower buttock, which developed inflammatory cysts with cribriform scarring and. Knowing whether the lesion was benign or malignant will help you select the code that also identifies the anatomic location from which the lesion was excised. Benign lesion. Trunk, arms, legs - 11400-11406. Scalp, neck, hands, feet, genitalia - 11420-11426. Face, ears, eyelids, nose, lips, mucous membrane - 11440-11446. Malignant lesion ighly myopic patients, which had linear lesions with abnormal fluorescence by FA were reviewed. Features obtained by fundus autofluorescence, indocyanine green angiography, and optical coherence tomography were also analyzed. Results: In 37 of 117 eyes, the linear lesions were hyperfluorescent in the fluorescein angiograms and appeared yellowish ophthalmoscopically. Optical coherence. Linear lesions caused by cnidarian envenomations, such as jellyfish stings, often resemble phytophotodermatitis. SKIN ULCERS A skin ulcer forms when the epidermis, the skin's superficial layer, is damaged or absent, and the damaging process has entered the dermis, the skin's deeper, more leathery layer

Linear morphea is the most common subtype of morphea in children. Linear morphea commonly affects the underlying muscle, bone, and if on the head the brain and is therefore treated aggressively. Some authorities feel that linear morphea and progressive facial hemiatrophy (Parry Romberg syndrome) are related conditions The presence of linear PIH should raise the possibility of external skin injuries, especially contact dermatitis like jellyfish or Rhus dermatitis. In these conditions, the patient usually presents with inflammatory lesions followed by linear hyperpigmentation. 54,55 PIH slowly fades over time, provided that further injury to the skin does not. An 18-year-old man presented with a several-week history of an expanding pruritic serpiginous and linear eruption on the buttock. The patient recently had spent some time vacationing at the beach in the southeastern United States. Physical examination revealed erythematous linear papules and serpiginous raised tracks on the buttock Nevus sebaceous of Jadassohn is a congenital lesion that occurs primarily on the scalp or face . ›. Vesicular, pustular, and bullous lesions in the newborn and infant. View in Chinese. . Benign pustular eruptions, vesiculopustular eruptions caused by infections, and congenital/inherited bullous diseases presenting in the newborn are.

Recurring Linear Rash - Dermatology - MedHel

To compare 5-year outcomes among patients with and without unstable chondral lesions undergoing APM.Using data from the Chondral Lesions And Meniscal The leptin deficient ob/ob mouse is a widely used model for studies on initial aspects of metabolic disturbances leading to type 2 diabetes, including insulin resistance and obesity. Although it. Linear lesions on the trunk include those on the chest,back and abdomen. The commonest linear lesions on these areas would be epidermal nevi particularly ILVEN and also lichen striatus.Inflammatory linear with blisters would suggest herpes zoster, followed by a plant contact dermatitis or a phytophotodermatitis from a photosensitising sap or. evaluation of a lesion on the left lateral arm and was found to have extensive skin lesions showing central atrophy with surrounding scale, hyperpigmentation and erythema. The lesions were confined to the right side of his body and followed the lines of Blaschko. They were present on the right posterior back in a curved/whorle

Skin Lesions: Pictures, Causes, Diagnosis, Treatment & Mor

) Multiple lesions may coalesce, forming a diffuse rash that, when present on the back, exhibits a Christmas tree pattern along Langer's lines, the natural folds of the body. Lesions are mildly pruritic and oriented along cleavage lines. 12 When stretched, scale hangs, resulting in the pathognomonic hanging curtain sign Measles rash; Red bumps on the back. Red bumps on lower or upper back regardless of the symptoms accompanied rash on chest and back can be common if it is a rash. Small red spots or bumps can indicate a back rash. Viral rashes are common in both children and adults and do create the an-all-over-the-body effect

Rash: 22 Common Skin Rashes, Pictures, Causes, and Treatmen

Most commonly, the rash occurs in a single stripe around either the left or the right side of the body. In other cases, the rash occurs on one side of the face. Shingles on the face can affect the eye and cause vision loss. In rare cases (usually in people with weakened immune systems), the rash may be more widespread on the body and look. Dermatologic Signs of Systemic Disease Online Medical Reference - from diagnosis through treatment options. Co-authored by Lisa M. Grandinetti and Kenneth J. Tomecki of the Cleveland Clinic. The skin is often a window to systemic disease. By recognizing cutaneous manifestations of systemic diseases, the internist can often determine the appropriate diagnosis and therapy or the need for. Enter our guide to all things summer rash-related. This rundown can help you identify and treat skin problems like poison ivy, heat rash, and chigger bites—as well as fend off future run-ins Linear gastric erosions were found on the crests of mucosal folds at or near the level of the diaphragm in 23 anemic patients and 13 without anemia (p < 0.05). Blood on the surface of a linear erosion was found in 14 anemic patients and 4 without anemia (p < 0.05). We suggest that these erosions are due to trauma and can cause chronic blood.

Rosacea, Acne, Shingles: Common Adult Skin Diseases

Linear lesions GPonlin

However, small lesions often cause no symptoms and go untreated until they are much larger. Small lesions and cysts on the pancreas are often asymptomatic or produce no symptoms, says MedininceNet. Once the lesion grows over 2 centimeters, it starts to put pressure on other organs and nerves, causing stomach and back pain Lichen planus is a common disease that causes inflammation (swelling and irritation) on your skin or inside your mouth. On your skin, lichen planus causes a rash that is usually itchy. Inside your mouth, it may cause burning or soreness. The cause of lichen planus is usually not known, although possible causes include: Hepatitis C, a virus that. The lesions may form on the skin, especially of the face, in the mouth, or on the feet, or may form linear flat-topped raised hairless lesions on the back of the hind legs, also called linear granuloma. The least common form of EGC is atypical eosinophilic dermatitis. It is unique in that it is caused by mosquito bite allergy and the lesions. Linear lesions of poison ivy dermatitis can usually be distinguished from other dermatitic disorders, such as atopic dermatitis, which tend to be symmetric in distribution 3 and that present in characteristic age-related patterns. 3 Poison ivy can also be confused with insect bite, miliaria rubra, and contact dermatitis triggered by such. Red-blue lesion with some central clearing on back of knee. Large itchy rash caused by an allergic reaction to an insect bite. A skin condition that occurs up to two weeks after a person takes a medication. The skin condition reappears at the same location every time a person takes that particular medication

Description of Skin Lesions - Dermatologic Disorders

Rash latency in vancomycin-induced cases of linear IgA dermatosis ranges from 1-13 days after the first dose. Review of medication exposures and delineation of the drug timeline are crucial in identifying potential inciting agents. Next: Physical Examination. Physical Examination. The classic primary lesions of linear IgA dermatosis are clear. papular lesions to linear hyperkeratotic plaques and usually involve the left side of the body [1,4,9]. The typical patient is a young child who had presented with an asymmetrical itchy eczematous or psoriasiform rash which continually spread despite treatment [9]. ILVEN may present as a symmetrical or bilateral rash however this is uncommon Liver lesions are groups of abnormal cells in your liver.Your doctor may call them a mass or a tumor. Noncancerous, or benign, liver lesions are common Scabies (also known as the seven-year itch) is a contagious skin infestation by the mite Sarcoptes scabiei. The most common symptoms are severe itchiness and a pimple-like rash. Occasionally, tiny burrows may appear on the skin. In a first-ever infection, the infected person will usually develop symptoms within two to six weeks. During a second infection, symptoms may begin within 24 hours To further complicate matters, the CDC says only 70-80% of people infected with Lyme disease develop a bull's-eye rash, which looks almost identical to the lesion caused by STARI

Eruptive syringomas

Lichen striatus DermNet N

Types of benign liver lesions include: Liver hemangioma, the most common benign liver lesion. It occurs in up to 5% of adults and consists of abnormal blood vessels. Focal nodular hyperplasia, which often develops in women and has a scar-like appearance. Liver adenoma, a rare liver tumor. It occurs in people who take steroids, like those found. The MS Lesion Checklist. The MS Lesion Checklist provides brief definitions for 10 types of lesions that are best appreciated on axial or sagittal T2-weighted (T2W) and fluid-attenuated inversion recovery (FLAIR) sequences. Typical examples are shown in Figures 1-8

Neurotic Excoriations (Skin-picking Disorder)Pathology Outlines - Eccrine spiradenoma

A pustular rash is defined as the occurrence of a rash that is composed of pustular lesions. A pustule is a vesicle or bulla containing purulent material. It varies in size and may occur at different levels within the epidermis: subcorneal, intraepidermal, or basement membrane zones. When the pus.. The lesions are distributed over the trunk and proximal extremities, sparing the palms and soles. They may be present at birth but typically appear within 24 to 48 hours. The rash usually resolves in five to seven days, although it may wax and wane before complete resolution [ 7 ] Research suggests red tongue with linear lesions is an early warning sign of B12 deficiency.. Lesions are a part of the skin that has an abnormal appearance compared to the skin around it. A case. Cutaneous lesions follow Blaschko's lines — linear and slightly whorled lines that are believed to trace migration of embryonic cells. Lesions have four distinct stages, which may temporally.