Search Results for: infundibulum

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Differential Diagnosis in Dermatopathology

Discussions

…to) “bite,” but sometimes secondary to a ruptured infundibulum or an infundibular cyst. Therefore, the term dermatofibrosis describes the lesion more aptly, conveying as it does that the process is a type of fibrosing dermatitis, rather t…

Ocular Inflammation

Ocular Inflammation

…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 the eyelid in front of the tarsus, a fibrous plate that gives for…

Histologic Diagnosis of Inflammatory Skin Diseases

Eosinophilic folliculitis

…inting 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 granulocytes. Suppurative infundibulitis of various types consists predo…

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 ma…

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 ma…

Differential Diagnosis in Dermatopathology

Discussions

…in sebaceous hyperplasia it is an ostium formed by a dilated infundibulum or contiguous infundibula. Sebaceous hyperplasia also must be differentiated histopathologically from a superficial sebaceous carcinoma termed wrong in all textbooks of dermat…

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