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A Clinical Atlas of 101 Common Skin Diseases

Keratosis Pilaris/Lichen Spinulosus

Keratotic spikes that emerge from dilated ostia of infundibula and are equidistant from one another. The term keratosis pilaris refers to the phenomenon when it presents itself without any distinct arrangement of individual lesions, whereas the desi…

A Clinical Atlas of 101 Common Skin Diseases

Acne Vulgaris

A disease of infundibulosebaceous units, especially infundibula, that may manifest itself solely as noninflammatory lesions, i.e., comedones and intact cysts, or as inflammatory lesions, i.e., papules, nodules, and pustules. The process may resolve…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine, Apocrine, and Apoeccrine Sweat Glands?

…, and external auditory canal (where they are known as “ceruminous glands”). Mammary glands in breasts are apocrine glands, as can be determined by evidences prominent of “decapitation secretion,” Colostrum, a secretion of tho…

Histologic Diagnosis of Inflammatory Skin Diseases

Apocrine Units

…otum, mons pubis, labia minora, and external auditory canals (ceruminous glands), and on the eyelids (Moll’s glands). All of them are true apocrine glands; none is “modified,” as so often is asserted. Nor is the breast a “modi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Breast a Sweat Gland?

…dramatically in the form of caricature of “decapitation secretion” of the epithelial cells that line them. Decapitation secretion, known also as “pinching-off secretion,” is the sine qua non for identification of the apocrine…

Histologic Diagnosis of Inflammatory Skin Diseases

Sebaceous Units

…ipid and cellular debris known, in conglomerate, as sebaceous secretion. After discharge of that secretion into a duct and during its passage through the infundibulum to the skin surface, it carries with it normal flora of bacteria, yeasts, and mites…

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