Dermatopathology

Dermpath Diagnosis

Langerhans Cell Histiocytosis

Langerhans cell histiocytosis (LCH), previously known as histiocytosis X, is an abnormal clonal proliferation of Langerhans cells that is...

Dermpath Diagnosis

Circumscribed Acral Hypokeratosis

Circumscribed acral hypokeratosis (CAH) is an idiopathic condition that clinically presents as a solitary, round, depressed plaque with a slightly...

Dermpath Diagnosis

Trichofolliculoma

Trichofolliculoma is a benign hamartoma of the pilosebaceous unit. The classic clinical presentation is a single flesh-colored nodule or papule...

Dermpath Diagnosis

Dermatitis Herpetiformis

Dermatitis herpetiformis (DH) clinically presents with excoriated papules, often prominently involving the elbows, knees, and buttocks. Intact...

Dermpath Diagnosis

Livedoid Vasculopathy

Livedoid vasculopathy (LV), also known as atrophie blanche, is associated with chronic venous insufficiency. The clinical presentation of LV...

Dermpath Diagnosis

Primary Systemic Amyloidosis

Primary systemic amyloidosis, usually with an underlying plasma cell dyscrasia, is associated with a wide spectrum of organ involvement. Skin...

Dermpath Diagnosis

Junctional Epidermolysis Bullosa

Junctional epidermolysis bullosa (JEB) is an autosomal-recessive mechanobullous skin disorder that clinically presents as tense blisters on the...

Dermpath Diagnosis

Eruptive Xanthoma

Eruptive xanthoma commonly presents as crops of small yellowish papules with erythematous halos on the buttocks, shoulders, and extensor surfaces...

Dermpath Diagnosis

Pancreatic Panniculitis

Pancreatic panniculitis clinically presents as tender, edematous, erythematous, or red-brown nodules that may spontaneously ulcerate and drain an...

Dermpath Diagnosis

Phaeohyphomycosis

Phaeohyphomycosis is characterized by pig­mented hyphae in tissue. Various black molds may be causative, including Alternaria, Bipolaris,...

Pages