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Author: Dr:jehad

By Dr:jehad March 30, 2026

Pigmented spindle cell melanocytic tumor = ورم الخلايا الميلانية المغزلية المصطبغ

Pigmented spindle cell melanocytic tumor = ورم الخلايا الميلانية المغزلية المصطبغ Pigmented Spindle Cell Nevus This tumor, first described by Richard Reed in 1973 , may be regarded as a variant of the Spitz nevus  or as a distinctive clinicopathologic entity . In our experience and that of others, most cases differ significantly from classical […]

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By Dr:jehad March 30, 2026

Pilar cyst = كيسة الشعر

Pilar cyst = كيسة الشعر Pilar Cyst Pilar or trichilemmal cysts are clinically indistinguishable from epidermal cysts but differ from them in frequency and distribution. They are less common than epidermal cysts, constituting only about 25% of the combined material; about 90% occur on the scalp . Pilar cysts often show an autosomal dominant inheritance […]

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By Dr:jehad March 30, 2026

Pilar sheath acanthoma = شوكوم غمد الشعرة

Pilar sheath acanthoma = شوكوم غمد الشعرة PILAR SHEATH   ACANTHOMA   Middle-aged and elderly individuals are commonly affected. Pilar sheath acanthoma is characterized by a small (5 to 10 mm in diameter), solitary, skin-colored papule situated on the head and neck, particularly around the upper lip. A central, occasionally keratin plugged pore is often […]

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By Dr:jehad March 30, 2026

Pilomatrix carcinoma = كارسينوما رحم الشعرة

Pilomatrix carcinoma = كارسينوما رحم الشعرة PILOMATRICAL   CARCINOMA   Pilomatrical carcinoma (matrical carcinoma) is a rare tumor found on the head and neck of older adults. Clinical appearances are generally not distinctive. Most cases probably develop de novo, but malignant transformation from a benign pilomatricoma has been reported. Histopathologic examination shows irregularly sized and variously […]

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By Dr:jehad March 30, 2026

Pilomatricoma =ورم ام الشعرة

Pilomatricoma =ورم ام الشعرة PILOMATRICOMA Epidemiology. Pilomatricoma most commonly occurs in children and young persons.Some tumors arise in older adults. Mutation of the β-catenin gene, a mediator in the Wnt signal transduction pathway, is common in pilomatricomas. Etiology. Pilomatricoma (calcifying epithelioma of Malherbe) is a relatively common appendage tumor that predominantly shows differentiation toward the […]

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