Differential Diagnosis in Dermatopathology

Pyogenic granuloma vs. Bacillary angiomatosis

A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat. The clinical manifestations ar…

Histologic Diagnosis of Inflammatory Skin Diseases

Reticulohistiocytic granuloma

…ism Both are unknown. Comment In our view, reticulohistiocytic granuloma is a variant morphologic of xanthogranuloma. A distinctive attribute cytopathologic and one reputed to characterize reticulohistiocytic granuloma is a large mononuclear or multi…

Differential Diagnosis in Dermatopathology

Granuloma annulare vs. Eruptive xanthoma

A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat. The clinical manifestations ar…

Differential Diagnosis in Dermatopathology

Xanthogranuloma vs. Reticulohistiocytic granuloma

A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat. The clinical manifestations ar…

Differential Diagnosis in Dermatopathology

Granuloma annulare vs. Necrobiosis lipoidica

A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat. The clinical manifestations ar…

Differential Diagnosis in Dermatopathology

Pyogenic granuloma, fully developed vs. Kaposi’s sarcoma, nodular

A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat. The clinical manifestations ar…

Differential Diagnosis in Dermatopathology

Interstitial granuloma annulare vs. Interstitial mycosis fungoides

A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat. The clinical manifestations ar…

Histologic Diagnosis of Inflammatory Skin Diseases

Majocchi’s granuloma

Majocchi’s granuloma Synonyms Nodular granulomatous perifolliculitis Tinea der unterschenkel Perifollicular granuloma Trichophytic granuloma Comment The term “Majocchi’s granuloma” is misleading because it implies that the…