Differential Diagnosis in Dermatopathology

Pagetoid Bowen’s disease vs. Extramammary Paget’s disease

An inflammatory disease caused by the spirochete Borrelia burgdorferi that manifests itself in the skin as erythematous lesions with figurate shapes, e.g., (round, ellipsoid, and arcuate) (erythema chronicum migrans), pseudolymphomatous nodules (lym…

Therapeutic Strategies in Dermatology

Atopic Dermatitis: References

References Williams HC, Grindlay DJ. What’s new in atopic eczema? An analysis of systematic reviews published in 2007 and 2008. Part 1. Definitions, causes and consequences of eczema. Clin Exp Dermatol. 2010;35(1):12-15. Darsow U, Wollenberg A, Simo…

Histologic Diagnosis of Inflammatory Skin Diseases

Behçet’s Disease

…osum, there is no granulomatous panniculitis in Behçet”s disease. In some lesions of Behçet”s disease, fibrin is present in the wall of venules and thrombi are found in the lumen of them. Those changes in the deep reticular dermis and sub…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mammary and Extramammary Paget’s Disease?

…ll-Livingstone, 2002. Mammary and extramammary Paget’s disease are rare intraepidermal adenocarcinomas with simialr clincial features that mimic inflammatory or infectous conditions. Whereas mammary Paget’s disease is most often assoica…

Histologic Diagnosis of Inflammatory Skin Diseases

Grover’s disease

…may be indistinguishable, too, from one of true Darier’s disease, but ancillary findings nearly always enable specific diagnosis of Grover’s disease to be made. Darier’s disease may display no notable infiltrates of lymphocytes in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Angiolymphoid Hyperplasia with Eosinophilia/Kimura’s Disease?

…perplasia with eosinophilia is a rare benign vasoproliferative disease of unknown cause, which can present as tumour-like nodules in the head and neck. We treated a patient who showed some of the features of Kimura disease (KD), which is an important…