Dermatology Practical & Conceptual

Dermoscopic clues to diagnose acantholytic dyskeratosis

…hologic examination revealed the typical findings of Grover’s disease. Figure 1. (A) Clinical examination of case 1 showed multiple confluent erythematous papules in a patient with Grover’s disease. (B) Clinically, multiple reddish papules were ob…

Living with Rosacea

Living with Rosacea

…ted by a number of qualitative and quantitative studies using disease severity instruments such as the Dermatology Life Quality Index (DLQI) and Willingness-to-pay model (Patients, especially women, with rosacea indicate a strong desire or willingnes…

Differential Diagnosis in Dermatopathology

Discussions

…locytes are gone. Short-lived urticaria often is explosive in onset and almost always is allergic in cause. If the patient does not identify the cause (e.g., an ingestant, inhalant, or injected substance), it is unlikely that it ever will be discover…

Differential Diagnosis in Dermatopathology

Pityriasis lichenoides acuta vs. Pityriasis lichenoides chronica

An inflammatory process caused by the acarus Sarcoptes scabiei and consisting of papules, papulovesicles, papulopustules, and vesicles, some arranged in linear or curvilinear tracks (burrows). Sometimes nodules are present, especially in the interdi…

Differential Diagnosis in Dermatopathology

Discussions

…focal acantholytic dyskeratosis (which is like Darier’s disease histopathologically, but not clinically or biologically), cornoid lamellation (which usually is taken to be a histopathologic sign of porokeratosis), and seborrheic keratosis-like…

Differential Diagnosis in Dermatopathology

Discussions

…attributes histopathologic of xanthogranulomas (childhood and adult) and the for reticulohistiocytic granuloma, a student could conclude that the two “granulomas” were separate and distinct from one another. On closer inspection and on re…

Differential Diagnosis in Dermatopathology

Trichoadenoma vs. Microcystic adnexal carcinoma

An inflammatory process caused by the acarus Sarcoptes scabiei and consisting of papules, papulovesicles, papulopustules, and vesicles, some arranged in linear or curvilinear tracks (burrows). Sometimes nodules are present, especially in the interdi…

Differential Diagnosis in Dermatopathology

Discussions

…oma is a solitary excrescence that arises from the skin of an adult near an interphalangeal joint of a finger. The projection may be elongated (polypoid) or domed (sessile), but always is keratotic. Other fibromas that have attributes histopathologic…