Histologic Diagnosis of Inflammatory Skin Diseases

Factitious dermatitis and panniculitis

…ed of insulin into the subcutaneous fat with resultant lobular panniculitis, loss of adipocytes, and shrinkage of fat cells that remain. Differential diagnosis clinical Traumatic panniculitis (traumatic fat necrosis) typified by nodules and/or plaq…

Histologic Diagnosis of Inflammatory Skin Diseases

Cold panniculitis

…ual lesions Plaques and nodules Variations clinical Popsicle panniculitis develops at angles of the mouth and in cheeks of children who chew ice or suck on Popsicles. Equestrian panniculitis (riders of motorcycles, too) occurs in the upper-outer…

Histologic Diagnosis of Inflammatory Skin Diseases

Pancreatic panniculitis

Pancreatic panniculitis Synonyms Pancreatitis with subcutaneous fat necrosis Systemic nodular fat necrosis Pancreatic enzyme panniculitis Nodular fat necrosis Weber-Christian syndrome of pancreatic origin Presentation stereotypical Age and sex Fourt…

Histologic Diagnosis of Inflammatory Skin Diseases

Radiation dermatitis and panniculitis

…nlike the inflammatory stage of morphea, pseudosclerodermatous panniculitis is associated with dense perivascular and interstitial infiltrates in the dermis and with foam cells throughout fat lobules. In sum, pseudosclerodermatous panniculitis that d…

Differential Diagnosis in Dermatopathology

Lupus erythematosus profundus vs. Panniculitis-like T-cell lymphoma

An inflammatory process that involves the acra, in particular fingers and toes, and sometimes the thighs with bluish red papules and nodules, which invariably is induced by cold. Chilblain is a synonym for pernio, which usually represents lupus eryt…

Histologic Diagnosis of Inflammatory Skin Diseases

Cold panniculitis

An inflammatory process that involves the acra, in particular fingers and toes, and sometimes the thighs with bluish red papules and nodules, which invariably is induced by cold. Chilblain is a synonym for pernio, which usually represents lupus eryt…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous fat necrosis of the newborn/ Poststeroid panniculitis

An inflammatory process that involves the acra, in particular fingers and toes, and sometimes the thighs with bluish red papules and nodules, which invariably is induced by cold. Chilblain is a synonym for pernio, which usually represents lupus eryt…

Histologic Diagnosis of Inflammatory Skin Diseases

Radiation dermatitis and panniculitis

An inflammatory process that involves the acra, in particular fingers and toes, and sometimes the thighs with bluish red papules and nodules, which invariably is induced by cold. Chilblain is a synonym for pernio, which usually represents lupus eryt…