Search Results for: infundibulum

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Differential Diagnosis in Dermatopathology

Discussions

…form of a puncture wound and or an arthropod (especially mosquito) “bite,” but sometimes secondary to a ruptured infundibulum or an infundibular cyst. Therefore, the term dermatofibrosis describes the lesion more aptly, conveying as it…

Ocular Inflammation

Ocular Inflammation

…les are called the Zeiss glands and, just as in any other hair follicle, these sebaceous glands enter at the junction of the infundibulum and the isthmus. The musculus orbicularis oculi, a skeletal muscle, is situated in the subcutaneous tissue of…

Histologic Diagnosis of Inflammatory Skin Diseases

Eosinophilic folliculitis

…ate in the dermis assumes the shape of a wedge with the apex pointing in the direction of the subcutaneous fat. Although the infundibulum may contain some eosinophils, usually in the context of spongiosis there, it is not stuffed with those…

Differential Diagnosis in Dermatopathology

Infundibulo-folliculo-sebaceous cystic hamartoma vs. Steatocystoma

A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny…

Differential Diagnosis in Dermatopathology

Trichoadenoma vs. Microcystic adnexal carcinoma

A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny…

Differential Diagnosis in Dermatopathology

Discussions

…the center usually represents an erosion or ulceration, whereas in sebaceous hyperplasia it is an ostium formed by a dilated infundibulum or contiguous infundibula. Sebaceous hyperplasia also must be differentiated histopathologically from a…

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