Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Desmoplastic Spitz’s nevus

What prompted the undertaking of this pocket atlas of dermatology? The reasons were several and varied, among them the following: 1.  Pictures are and always have been an extraordinarily valuable vehicle in the study of clinical dermatology. The fir…

Differential Diagnosis in Dermatopathology

Discussions

For many years, authors of publications in English used the terms “Kimura’s disease” and “angiolymphoid hyperplasia with eosinophilia” as synonyms. In truth, these two diseases are different in nearly every respect and…

Differential Diagnosis in Dermatopathology

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

What prompted the undertaking of this pocket atlas of dermatology? The reasons were several and varied, among them the following: 1.  Pictures are and always have been an extraordinarily valuable vehicle in the study of clinical dermatology. The fir…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 11.16.1A: Nodular dermatosis + 11.16.1B: Proliferation of small blood vessels enclosed partially by collarettes of epithelium = Pyogenic granuloma, early  Note the large, muscle-containing “feeder” vessel at the base of…

Differential Diagnosis in Dermatopathology

Discussions

Because bacillary angiomatosis of acquired immunodeficiency syndrome (AIDS) and pyogenic granuloma are vascular proliferations in the skin that have many features clinical and findings histopathologic in common, they may be mistaken easily for one a…

Differential Diagnosis in Dermatopathology

Dermatofibroma with "monster" cells vs. Malignant fibrous histiocytoma

What prompted the undertaking of this pocket atlas of dermatology? The reasons were several and varied, among them the following: 1.  Pictures are and always have been an extraordinarily valuable vehicle in the study of clinical dermatology. The fir…

Histologic Diagnosis of Inflammatory Skin Diseases

What prompted the undertaking of this pocket atlas of dermatology? The reasons were several and varied, among them the following: 1.  Pictures are and always have been an extraordinarily valuable vehicle in the study of clinical dermatology. The fir…

Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Dermatofibrosarcoma protuberans

What prompted the undertaking of this pocket atlas of dermatology? The reasons were several and varied, among them the following: 1.  Pictures are and always have been an extraordinarily valuable vehicle in the study of clinical dermatology. The fir…

Differential Diagnosis in Dermatopathology

Discussions

Both pyogenic granuloma and Kaposi’s sarcoma consist of proliferations of endothelial cells, and both are hyperplasias. In most instances, papules and nodules of Kaposi’s sarcoma are differentiated easily by microscopy conventional from…

Differential Diagnosis in Dermatopathology

Angiolymphoid hyperplasia with eosinophilia vs. Kimura’s disease

What prompted the undertaking of this pocket atlas of dermatology? The reasons were several and varied, among them the following: 1.  Pictures are and always have been an extraordinarily valuable vehicle in the study of clinical dermatology. The fir…