Histologic Diagnosis of Inflammatory Skin Diseases

Leishmaniasis

…deficient. Visceral leishmaniasis (kala azar) This systemic disease caused by Leishmania donovani involves the bone marrow, spleen, and liver. Differential diagnosis clinical Acute cutaneous leishmaniasis Deep fungal infections, e.g., sporotrichos…

Dermatology Practical & Conceptual

Papillary adenocarcinoma in situ of the skin: report of four cases

…excised with a positive margin, and there was no evidence of disease progression at the six-year follow-up. The photomicrographs of H&E and P63 stain provided by the authors for their case (figures 2 and 3 in the article) showed clearly the pres…

Histologic Diagnosis of Inflammatory Skin Diseases

Sebaceous Units

…some sites, e.g., the buccal mucosa and vermilion of the lip (Fordyce’s spots), areolae of women (Montgomery’s tubercles), labia minora and glans (Tyson’s glands), and eyelids (meibomian glands), sebaceous glands are joined to infun…

Histologic Diagnosis of Inflammatory Skin Diseases

Foreign body reaction

…rmatitis. Arch Dermatol 1974;109:372-76. Tye MJ, Hashimoto K, Fox F. Talc granulomas of the skin. JAMA 1966;198:1370-72. Yanagihara M, Fujii T, Wakamatu N, Ishizaki H, Takehara T, Nawate K. Silicone granuloma on the entry points of acupuncture, venep…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma annulare

…taneous fat are like those in the palisaded expression of the disease in the reticular dermis, namely, epithelioid histiocytes aligned in a palisade around loci that consist mostly of mucin, but, episodically, of fibrin. Although findings of granulom…

Histologic Diagnosis of Inflammatory Skin Diseases

Rosacea

…wn. Comment Rosacea is one of the most enigmatic inflammatory diseases of the skin. Conventionally, it is divided into telangiectatic, papular, and nodular stages, the papular being synonymous with “granulomatous” rosacea and the nodular…