Annular granuloma or pseudorheumatoid nodule
Keywords:
Granuloma annulare, necrobiotic disorders, granulomaAbstract
A 45 year old woman, consulted for presenting confluent annular plaques and nodules on elbows. Two biopsies were taken, one showed a typical granuloma annulare and another pseudorheumatoid nodule, which is a variety of granuloma annulare located on bone surfaces. The association here supports this diagnosis.
Author Biographies
Silvia Margarita García
Médica, residente de III año de Patología Anatómica y Clínica, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, D.C., Colombia.
Viviana Leticia Arias
Profesora asistente de Patología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, D.C., Colombia
Gerzaín Rodríguez
Profesor titular y Maestro universitario, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, D.C., Colombia; catedrático, Facultad de Medicina, Universidad de La Sabana, Chía, Cundinamarca.
References
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3. McKee PH, Calonje E, Granter SR. Granulomatous, necrobiotic and perforant dermatitis. En: McKee PH, Calonje E, Granter SR, editores. Pathology of the skin with clinical correlations. Third edition. Philadelphia : Elsevier Mosby; 2005. p. 299-304.
4. Lynch JM, Barret TL. Collagenolytic (necrobiotic) granulomas. Part 1: The ‘blue’ granulomas. J Cutan Pathol. 2004;31:353-61.
5. Barzilai A, Huszar M, Shaphiro D, Nass D, Trau H. Pseudorheumatoid nodules in adults. A juxta-articular form of nodular granuloma annulare. Am J Dermatopathol. 2005;27:1-5.
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