Traction alopecia = حاصة شد الاشعار Traction Alopecia Traction alopecia is caused by inadvertent prolonged traction on the scalp by the physical pressure of hair styling . There is often a cultural element, such as braiding in African American girls or the “topknot” in Sikh boys. The distribution of hair loss reflects that of […]
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Transient acantholytic dermatosis (Grover’s disease) =جلاد انحلال الأشواك العابر-داء غروفر Transient Acantholytic Dermatosis Grovers Disease First described in 1970, transient acantholytic dermatosis is characterized by pruritic, discrete papules and papulovesicles on the chest, back, and thighs. In rare instances, vesicles and even bullae are seen. Most patients are middle-aged or elderly men. Although the disorder […]
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Trichoadenoma =ورم غدي شعري TRICHOADENOMA Trichoadenoma (of Nikolowski) is a rare follicular tumor that some authors consider a neoplastic process, whereas other authors consider it a malformation. These lesions occur most commonly in adults. Clinically, trichoadenoma presents as solitary, slowly growing, grayish nodules measuring up to 1.5 cm in diameter. They are mainly situated […]
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Trichoepithelioma =ورم ظهاري شعري TRICHOEPITHELIOMA Etiology. Trichoepithelioma shows a spectrum of histopathologic features reflecting mainly differentiation toward hair and hair follicle, particularly follicular germs.This neoplasm is therefore best regarded as a distinct variant of trichoblastoma (described in the section Trichoblastoma). Clinical Findings. Three distinctive forms of trichoepitheliomas are recognized; namely, solitary, multiple, […]
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Trichoepithelioma Papulosum Multiplex = ورم ظهاري شعري حطاطي متعدد Trichoepithelioma Trichoepithelioma occurs either in multiple lesions or as a solitary lesion. The name trichoepithelioma is preferable to other designations, such as epithelioma adenoides cysticum and multiple benign cystic epithelioma, because it is more indicative that the differentiation of this tumor is toward hair structures. Multiple trichoepitheliomas are transmitted as an autosomal […]
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