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1.
Rev. argent. dermatol ; Rev. argent. dermatol;98(2): 0-0, jun. 2017. ilus
Article in Spanish | LILACS | ID: biblio-897371

ABSTRACT

Se presenta descripción e iconografías clínicas y de capilaroscopía, en una paciente de 73 años de edad con lesiones cutáneas digitales, unilaterales e indoloras, asociadas al síndrome del túnel carpiano.


A rare case of unilateral and indolent cutaneous digital lesions, associated with carpal tunnel syndrome in a 73-year-old woman is reported herein. Description, clinical and capillaroscopic photographies are provided.

2.
Rev. chil. dermatol ; 32(4): 208-210, 2016. ilus
Article in Spanish | LILACS | ID: biblio-948770

ABSTRACT

La hidroxiurea es un agente citostático que inhibe la síntesis de ADN. Se considera el tratamiento de primera línea para algunos trastornos mieloproliferativos, enfermedad de células falciformes, casos severos de psoriasis refractaria y como adyuvante en la terapia de VIH. Se ha informado de que algunos pacientes tratados con hidroxiurea pueden tener úlceras en las extremidades inferiores. Paciente femenino de 67 años de edad con antecedentes de policitemia vera tratada con hidroxiurea durante un año, se deriva a dermatología por presentar úlceras bilaterales en extremidades inferiores. Al examen físico se evidencian dos lesiones ulceradas en la región calcánea. Se realiza una biopsia de piel, y muestra signos no específicos de inflamación. Se decide la interrupción de la hidroxiurea y se inicia la terapia adyuvante con pentoxifilina. Las lesiones se resolvieron en dos meses, dejando una pequeña cicatriz residual. Es importante recordar esta rara complicación inducida por el uso prolongado de la hidroxiurea y, de esta manera, realizar un diagnóstico precoz y tratamiento adecuado, que hasta el momento es básicamente la suspensión de la hidroxiurea.


Hydroxyurea is a cytostatic agent that inhibits DNA synthesis. It is considered the first line treatment for some myeloproliferative disorders, sickle cell disease, severe cases of refractory psoriasis and as adjuvant in VIH therapy. It has been reported that some patients treated with hydroxyurea may have leg ulcers. A 67 year old female patient with a history of polycythemia vera treated with hydroxyurea for a year, is derived to dermatology for presenting bilateral lower extremity ulcers. Physical examination demonstrated two ulcerated lesions in the calcaneal region. A skin biopsy is performed, and it shows non-specific signs of inflammation. Discontinuation of hydroxyurea is decided and initiate adjuvant therapy with pentoxifylline. These ulcerative lesions were resolved within two months, leaving a small residual scar. It is important to remember this rare complication induced by prolonged use of hydroxyurea and thus, early diagnosis and appropriate treatment can be made, which so far is basically the suspension of hydroxyurea.


Subject(s)
Humans , Female , Aged , Polycythemia Vera/drug therapy , Skin Ulcer/chemically induced , Drug Eruptions/diagnosis , Hydroxyurea/adverse effects , Antisickling Agents/adverse effects , Physical Examination , Biopsy , Hydroxyurea/therapeutic use , Antisickling Agents/therapeutic use
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