Vascular Neoplasms
Case 1 History The patient is a 1-year-old female who developed a solitary bright red plaque on the scalp that developed rapidly over a few weeks. Closer examination reveals a…
Tumors of the Muscle and Fat
Case 1 History The patient is a 54-year-old female with a painful, circumscribed, skin-colored papule on the chest. Microscopic Findings Sections show a dermal proliferation of spindle cells with a…
Granulomatous Dermatitis
Case 1 History The patient is a 52-year-old male with a recent history of reddish brown follicular papules and nodules on the central face. The patient reports flushing on drinking…
Fibrohistiocytic Tumors
Case 1 History The patient is a 55-year-old male with a brown papule on the left lower leg. Histopathology Microscopic sections show irregular pigmented epidermal hyperplasia with flattening of rete…
Vacuolar Dermatitis
Case 1 History The patient is a 30-year-old male with a recent history of dry cough who presents with diffuse acute-onset, erythematous, oval-targetoid papules and plaques, particularly involving the upper…
Perivascular Dermatitis
Case 1 History The patient is a 22-year-old female who reports the rapid onset of widespread, pruritic, edematous papules surrounded by erythema. There is no surface change. Resolution occurs within…
Vesiculobullous Dermatitis
Case 1 History The patient is an 81-year-old female with multiple superficial erosions involving the head and upper trunk. Histopathology Microscopy reveals an intraepidermal rift with separation of the stratum…
Vasculitis and Vasculopathy
Case 1 History A 43-year-old female presents with a 2-day history of 1- to 3-mm palpable purpura distributed symmetrically under the sock line on her bilateral lower legs. She also…
Panniculitis
Case 1 History A 38-year-old female presents with a 2-week history of painful red nodules on the bilateral anterior shins. She reports she experienced similar nodules 1 year prior with…
