Inverted follicular keratosis.

Inverted follicular keratosis = نارقتلا يبارجلا بولقملا INVERTED FOLLICULAR KERATOSIS

Pigmented tumor in the nostril

A 64-year-old man was noted to have a single pigmented lesion in the nostril of his nose. Clinical examination revealed a 5 mm nodular growth and brown lesion. With a presumed clinical diagnosis of malignant skin tumor, a biopsy was performed. The histological examination revealed the unexpected diagnosis of pigmented inverted follicular keratosis. The inverted follicular keratosis is an uncomm...

Inverted follicular keratosis of the lip

Inverted follicular keratosis is a benign tumor of the skin that is believed to arise from the infundibular portion of the hair follicle above the level of entrance of the sebaceous duct. It was described originally by Helwig in 1954 and since then a number of case reports have been reported in the dermatology and pathology literature. A 55-year-old woman was referred for evaluation of a kerato...

Inverted Follicular Keratosis Scalp

Inverted follicular keratosis (IFK) is a solitary benign epithelial tumor of infundibular hair follicle, generally observed in middle-aged and older individuals. An elderly male presented with a rough & raised pink colored lesion on the bald area of parietal scalp since 4 months. Fine needle aspiration (FNA) followed by histopathologic examination of the lesion was done. The FNA smears revealed...

Reflectance confocal microscopy of an inverted follicular keratosis mimicking a squamous cell carcinoma

Distinguishing between benign and malignant neoplasms of the skin is a daily challenge to dermatologists. With the use of a dermatoscope and other imaging devices, the diagnosis is often more precise. The confocal microscope is a device that uses a near-infrared laser to perform noninvasive imaging of the skin. The benefit is that the images immediately provide additional, cellular-level inform...