Biomedical subjects
R Zabala
Publications and source records attributed to R Zabala.
Allergic contact dermatitis due to 5% doxepin cream.
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Allergic contact dermatitis from butoxyethyl nicotinic acid and Centella asiatica extract.
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[Systemic purpura in a 38-year old patient].
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Positive patch tests to hydrogen peroxide in 2 cases.
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Allergic contact dermatitis from spironolactone.
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Contact dermatitis from a moisturizing cream.
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Allergic contact dermatitis from Reflex spray.
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Contact allergy to captan in a hairdresser.
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Airborne allergic contact dermatitis due to wild plants.
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Contact dermatitis from potassium chloride.
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Achromic patch test from hydroquinone monobenzyl ether.
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Pseudocyst of the ear. Report of three cases.
Pseudocyst of the ear is a rare entity with controversial pathogenesis. Usually it is presented as a solitary, unilateral, fluctuant and non-inflammatory tumour of the ear with overlying normal skin. It occurs most often in young adult males. Incission reveals a serous liquid, with the consistency of olive oil, contained in the cyst-like lesion. Histopathology shows an intracartilaginous cavity with signs of degeneration and necrosis of the limiting cartilage. We present three new cases of this entity. Continuous minor trauma appears to be the causative factor in one of the patients, who also presented bilateral lesions.
[Hepatocellular carcinoma in the Venezuelan Andes].
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[Lymphangioma of the ascending colon].
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