Histologic Diagnosis of Inflammatory Skin Diseases

Lymphadenosis benigna cutis

Lymphadenosis benigna cutis Synonyms Borrelial pseudolymphoma Presentation stereotypical Age and sex Any age and either sex Distribution of lesions Localized usually to an ear lobe, the nose, a nipple or areola, or the scrotum; lesions on the ear ar…

Histologic Diagnosis of Inflammatory Skin Diseases

Macular and papular (lichenoid) amyloidosis-Cutaneous solely

Macular and papular (lichenoid) amyloidosis—Cutaneous solely Presentation stereotypical Age and sex Women of Asian, Latin, or Middle Eastern ancestry usually Distribution of lesions Macular form most common in the interscapular region, but also seen…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Borderline, Minimal Deviation, and Nevoid Melanomas?

“Borderline lesions are encountered in other organ systems. In the category of epithelial neoplasms of the ovary, borderline lesions are common. They are also commonly manifested as papillary lesions of the breast.” Reed RJ. Minimal de…

Histologic Diagnosis of Inflammatory Skin Diseases

Thrombophlebitis

Thrombophlebitis Presentation stereotypical Age and sex Women most commonly Distribution of lesions Localized to the lower extremities usually Arrangement of lesions Linear often, i.e., along the course of a vein Individual lesions Cord sometimes in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Wide and Deep Excision for Melanoma?

“Widths of excision as much as 100 mm from the edge of the lesion have been advocated and most surgeons have practiced wide excision with a 50-mm margin area without anatomical limitations.” McLeod GRC. Malignant melanoma: primary trea…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.38.1A: Pustular dermatitis, infundibular + 10.38.1B: A hair containing hyphae in an abscess = Suppurative infundibulitis of dermatophytic cause (Majocchi’s granuloma) The hair was spewed into the dermis when an infundibul…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidemic of Melanoma?

“Malignant melanoma of the skin is a major cancer in the young, working population, second in prevalence only to cancers of the testis in males in the 30-49-year-old range. Moreover, there is a recent increase in the incidence and mortality o…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mycosis Fungoides—Increasing in Incidence?

“Mycosis fungoides does appear to be increasing in frequency more rapidly than lymphoma in general.” Weinstock MA. Epidemiology of mycosis fungoides. Semin Dermatol 1994;13(3):154–59. “The incidence [of mycosis fungoides…