Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…i.” Some authors include nevus of Ota, nevus of Ito, and Mongolian spot among blue nevi, whereas others consider those pigmented patches to be something else, to wit, “dermal melanocytoses” or “dermal melanocytomas.” Mos…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…schromicum perstans Heavy metal toxicity (gold, bismuth, etc.) Mongolian spot Nevus of Ota and Ito Riehl’s melanosis” Rapini R. Clinical and pathologic differential diagnosis. In: Bolognia JL, Jorizzo JL, Rapini RP, eds. Dermatology. Lon…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

…wn or black reticulated macule that has been likened to an ink spot, i.e., “ink spot lentigo,” (to us, however, it looks like a snowflake sooty). Although the lesion recently has been named “reticulated black solar lentigo,” i…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

ABSCESS [L. abscessus (a going away)]: Clinically, a circumscribed collection of pus and histopathologically a localized collection of neutrophils. An abscess may form in the epidermis, both surface and infundibular, eccrine ducts, dermis, and subcu…

Histologic Diagnosis of Inflammatory Skin Diseases

Suggested Readings

…329-1337. Ketabchi N, Ackerman AB. The hair disk II: sensitive spot, touch unit, touch spot, touch dome, touch corpuscle, tactile corpuscle, or tylotrich pad? Dermatopathol Pract Concept 1996;2(3):131-146. Ketabchi N, Ackerman AB. The hair disk III:…

Clinical Case Studies

Multiple Trichoepitheliomas

INITIAL PRESENTATION A 49-year-old white female presented with multiple facial nodules, which first appeared when she was a teenager. Numerous family members had similar lesions and carried a diagnosis of familial trichoepitheliomas. The patient had…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen sclerosus et atrophicus

…strophies. Br Med J 1961;2:127. Johnston JC, Sherwell S. White spot disease. J Cutan Dis 1903;21:302–7. Montgomery FH, Ormsby OS. White spot disease (morphoea guttata) and lichen planus sclerosus et atrophicus. J Cutan Dis 1907;25:1–16. Radcliffe-Cro…