Cylindrical dandruff

Cylindrical Dandruff

Minimum diagnostic test data base for dermatologic diagnostic includes skin scrapes, otic swabs, and cutaneous cytology. The goal should be to identify all secondary infections (pyoderma, demodicosis, dermatophytosis, otitis, Malassezia dermatitis, and pododermatitis).

So, it’s necessary to formulate a diagnostic plan to identify and control the underlying/primary disease (ie. allergies, endocrinopathies, keratinization defects, and autoimmune skin diseases).

Skin cytology—the microscopic evaluation of material collected from the skin—provides valuable information that helps determine many factors.


Technicians can collect samples for skin cytology via direct impression smear using clear adhesive tape to lift the sample, a cotton swab to obtain exudate, or metal spatulas (or something similar) to obtain material from nail beds.

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