Search results
-
Paget’s Disease
General Information As depicted in Jane Austen’s Pride and Prejudice reality may not be reflected in an initial impression or appearance. So to, cutaneous Paget’s disease maybe an important harbinger of an underlying visceral malignancy. The most important forms of Paget’s disease entail a genital or extra-mammary form imbued a tenuous association with underlying genitourinary […]
-
Panniculitis
General Information Panniculitis is an inflammation within adipose tissue. Clinically, individuals present with tender nodular lesions typically on the calves or shins that feel thickened and woody. A microscopic evaluation divides panniculitis into four subtypes. Lobular with vasculitis e.g. Erythema nodosum leprosum (leprosy), Lucio’s phenomenon; Lobular panniculitis without vasculitis e.g. Scelerosing panniculitis (lipodermatosclerosis), Calciphylaxis; Septal […]
-
Parapsoriasis
General Information Parapsoriasis is a group of diseases that can be subdivided in two general forms: Small Plaque and Large Plaque. Small plaque parapsoriasis is a benign disorder that rarely progresses. The plaques appear on patients as small circular lesions with some slight scaling in a light pinkish coloring. Small plaque lesions measure less than […]
-
Pityriasis Alba
General Information Pityriasis alba (PA) is a common skin disorder affecting children between the ages of 6-12. Dry round scaly patches appear most often on the face, but can also involve the upper arms, neck or shoulders. The duration can vary between a couple of months to a couple of years, the lesions eventually subside […]
-
Pityriasis Lichenoides Et Varioliformis Acuta
General Information Pityriasis Lichenoides Et Varioliformis Acuta, also known as Mucha Habermann’s Disease, or PLEVA for short is a rare skin disorder characterized by an abrupt onset of red, round papules, purpura and blister like lesions. PLEVA most commonly affects the areas of the trunk, buttocks, and proximal extremities with eruptions occurring in successive crops. […]
-
Pityriasis Rosea
General Information Pityriasis Rosea is a common cutaneous disease. Pityriasis rosea is characterized by an initial plaque (Herald Patch) located on the body, followed by a systemized eruption within one to two weeks. The primary patch (often misdiagnosed for eczema) is characterized as a single scaly red spot, usually located on the trunk of the […]
-
Polymorphous Light Eruption
General Information Polymorphous Light Eruption is a skin condition that occurs as a result of photosenitivity (sensitive to UV radiation). UV radiation can be found in sunlight, tanning lamps and tanning beds. Individuals that are sensitive to the light can experience a rash that appears mainly on the face, neck, sternal region, arms and dorsa […]
-
Porokeratosis
General Information Porokeratosis is a skin disease characterized by a thickening of the stratum corneum together with progressive centrifugal atrophy. Classic porokeratosis of Mibelli is one type of porokeratosis usually appearing in childhood, but lesions may be present at birth, puberty or later. Occasionally there is a family history of porokeratosis, suggesting a genetic predisposition. […]
-
Porphyria Cutanea Tarda
General Information Porphyria cutanea tarda (PCT) is the most common type of porphyria, a group of diseases in which the production of heme is disrupted. PCT is due to a defective enzyme (uroporphyrinogen decarboxylase) in the liver. There are two forms of the disease, the more common acquired form that is triggered by nongenetic factors […]
-
Prurigo Nodularis
General Information Prurigo Nodularis (PN) is a skin condition that causes sores after repetitive trauma to the skin. Intense pruritus is the main symptom with PN, the individual cannot control the urge to rub or scratch the area, which then results in discrete, nodular, hyperpigmented/purpuric lesions with surfaces that are scaly, excoriated, and possibly crusted. […]