Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

….” 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.” Most…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

…n 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,” it…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…oid purpura, or focal (patchy), i.e., confined to one or more spots along the front of a lesion, as in lichen nitidus or in one expression of lichen striatus. Lichen nitidus exemplifies the focal nature of some lichenoid dermatitides and illustrates…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…chromicum 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. Lond…

Histologic Diagnosis of Inflammatory Skin Diseases

Suggested Readings

…29-1337. 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: P…

Clinical Case Studies

Multiple Trichoepitheliomas

…used the continuous wave (CW) CO2 laser at 15W with the 1-mm spot used at a defocused distance in order to make the beam diameter similar to that of the lesion. Smaller papules were treated with one to six passes until the lesions appeared to be flu…