Poroma=شزن=تورم بسبب إفراز غدي

Poroma=شزن=تورم بسبب إفراز غدي POROMA     The term poroma refers to a group of rare cutaneous appendage tumors composed of cells (cuticular and poroid cells) similar to those of the acrosyringium. Poromas are traditionally subcategorized histopathologically based on their location in relation to the epidermis into three main variants; namely, hidroacanthoma simplex, eccrine poroma, and […]

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Porphyria Cutanea Tarda =البورفيرية الجلدية الآجلة

Porphyria Cutanea Tarda =البورفيرية الجلدية الآجلة Porphyria Seven types of porphyria are recognized . The light sensitivity in the six types with cutaneous lesions is caused by wavelengths that are absorbed by the porphyrin molecule. These wavelengths lie in the 400-nm range, representing long-wave ultraviolet light (UVA) and visible light . In erythropoietic porphyria, a very rare […]

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Post inflammatory hyperpigmentation = فرط التصبغ التالي للالتهاب

Post inflammatory hyperpigmentation = فرط التصبغ التالي للالتهاب POST     INFLAMMATORY     HYPERPIGMENTATION   Post-inflammatory hyperpigmentation (PIH) is a common condition caused by numerous preceding cutaneous insults such as drug and phototoxic reactions , infections (see elsewhere), physical injury or trauma, allergic reactions, and inflammatory diseases. Clinically, PIH consists of a macular hyperpigmentation […]

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Pretibial myxedema = الوذمة المخاطية أمام الظنبوب

Pretibial myxedema = الوذمة المخاطية أمام الظنبوب OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA OLYMPUS DIGITAL CAMERA Pretibial Myxedema Usually, the lesions are limited to the anterior aspects of the legs, but they may extend to the dorsa of the feet. They consist of raised, nodular, yellow, waxy plaques with […]

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Pruritic urticarial papules and plaques of pregnancy =الحطاطات واللويحات الشروية الاكالية الحملية

Pruritic urticarial papules and plaques of pregnancy =الحطاطات واللويحات الشروية الاكالية الحملية Pruritic Urticarial Papules and       Plaques of Pregnancy Pruritic urticarial papules and plaques of pregnancy (PUPPP) is a benign dermatosis that usually arises late in the third trimester of a first pregnancy. The entity previously had been reported as toxemic rash of […]

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