Lymphoid cutaneous hyperplasia: a clinical-pathological challenge
Cutaneous pseudolymphoma is the term used to describe a group of lymphoproliferative skin disorders that can clinically and histologically mimic cutaneous lymphoma, whether T- or B-cell lymphoma. B-cell pseudolymphomas are the most common form of cutaneous lymphoid hyperplasia or cutaneous lymphocyt...
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| Formato: | Artículo revista |
| Lenguaje: | Español |
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Universidad Nacional Córdoba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología
2025
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| Acceso en línea: | https://revistas.unc.edu.ar/index.php/med/article/view/50417 |
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I10-R327-article-50417 |
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ojs |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-327 |
| container_title_str |
Revista de la Facultad de Ciencias Médicas de Córdoba |
| language |
Español |
| format |
Artículo revista |
| topic |
pseudolymphoma arthropods cutaneous lymphoma pseudolymphoma arthropods cutaneous lymphoma pseudolinfoma artrópodos linfoma cutáneo pseudolinfoma artrópodos linfoma cutáneo |
| spellingShingle |
pseudolymphoma arthropods cutaneous lymphoma pseudolymphoma arthropods cutaneous lymphoma pseudolinfoma artrópodos linfoma cutáneo pseudolinfoma artrópodos linfoma cutáneo Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Lymphoid cutaneous hyperplasia: a clinical-pathological challenge |
| topic_facet |
pseudolymphoma arthropods cutaneous lymphoma pseudolymphoma arthropods cutaneous lymphoma pseudolinfoma artrópodos linfoma cutáneo pseudolinfoma artrópodos linfoma cutáneo |
| author |
Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV |
| author_facet |
Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV |
| author_sort |
Pets, E |
| title |
Lymphoid cutaneous hyperplasia: a clinical-pathological challenge |
| title_short |
Lymphoid cutaneous hyperplasia: a clinical-pathological challenge |
| title_full |
Lymphoid cutaneous hyperplasia: a clinical-pathological challenge |
| title_fullStr |
Lymphoid cutaneous hyperplasia: a clinical-pathological challenge |
| title_full_unstemmed |
Lymphoid cutaneous hyperplasia: a clinical-pathological challenge |
| title_sort |
lymphoid cutaneous hyperplasia: a clinical-pathological challenge |
| description |
Cutaneous pseudolymphoma is the term used to describe a group of lymphoproliferative skin disorders that can clinically and histologically mimic cutaneous lymphoma, whether T- or B-cell lymphoma. B-cell pseudolymphomas are the most common form of cutaneous lymphoid hyperplasia or cutaneous lymphocytoma. These have benign characteristics, rarely malignant progression, and reflect an exaggerated local immune reaction to a triggering stimulus, including arthropod bites, tattoos, and contact allergens. Cutaneous pseudolymphoma is a rare entity that often goes unnoticed and can, in some cases, progress to malignancy or systemic dissemination (miliary lymphoma cutis). Therefore, knowledge of the clinical features and histopathology is essential to reduce the associated risks and complications.
A 20-year-old male patient with no relevant medical history reported erythematous papular lesions on the testicular region and penis that had been present for more than two monthsTreatment with topical corticosteroids and antifungals was prescribed, with no improvement. A skin punch biopsy was taken from the left inguinal region (0.5 × 0.3 cm), fixed in 10% buffered formalin, and processed with standard staining techniques. The pathology report was conclusive for superficial and deep cutaneous lymphoid hyperplasia, related to a reaction to an arthropod bite. The patient progressed favorably.
Cutaneous pseudolymphomas are a clinicopathological challenge for the diagnosis and treatment of these lesions. Among their multiple causes, the forms triggered by arthropod bites are frequently associated with solitary lesions, generally in exposed areas. The main objective in the management of this entity is to exclude malignancy. For this purpose, biopsy and immunohistochemistry, if necessary, are essential tools in patient management and follow-up. |
| publisher |
Universidad Nacional Córdoba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología |
| publishDate |
2025 |
| url |
https://revistas.unc.edu.ar/index.php/med/article/view/50417 |
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2025-11-27T05:08:00Z |
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2025-11-27T05:08:00Z |
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1852637479542194176 |
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I10-R327-article-504172025-11-13T12:04:31Z Lymphoid cutaneous hyperplasia: a clinical-pathological challenge Hiperplasia cutánea linfoide: un desafío clínico-patológico Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV Pets, E Volmaro, K Rey, SB Revuelta, C Moyano Crespo, GD Manrique, V Matsuzaki, V Herrero, MV pseudolymphoma arthropods cutaneous lymphoma pseudolymphoma arthropods cutaneous lymphoma pseudolinfoma artrópodos linfoma cutáneo pseudolinfoma artrópodos linfoma cutáneo Cutaneous pseudolymphoma is the term used to describe a group of lymphoproliferative skin disorders that can clinically and histologically mimic cutaneous lymphoma, whether T- or B-cell lymphoma. B-cell pseudolymphomas are the most common form of cutaneous lymphoid hyperplasia or cutaneous lymphocytoma. These have benign characteristics, rarely malignant progression, and reflect an exaggerated local immune reaction to a triggering stimulus, including arthropod bites, tattoos, and contact allergens. Cutaneous pseudolymphoma is a rare entity that often goes unnoticed and can, in some cases, progress to malignancy or systemic dissemination (miliary lymphoma cutis). Therefore, knowledge of the clinical features and histopathology is essential to reduce the associated risks and complications. A 20-year-old male patient with no relevant medical history reported erythematous papular lesions on the testicular region and penis that had been present for more than two monthsTreatment with topical corticosteroids and antifungals was prescribed, with no improvement. A skin punch biopsy was taken from the left inguinal region (0.5 × 0.3 cm), fixed in 10% buffered formalin, and processed with standard staining techniques. The pathology report was conclusive for superficial and deep cutaneous lymphoid hyperplasia, related to a reaction to an arthropod bite. The patient progressed favorably. Cutaneous pseudolymphomas are a clinicopathological challenge for the diagnosis and treatment of these lesions. Among their multiple causes, the forms triggered by arthropod bites are frequently associated with solitary lesions, generally in exposed areas. The main objective in the management of this entity is to exclude malignancy. For this purpose, biopsy and immunohistochemistry, if necessary, are essential tools in patient management and follow-up. El pseudolinfoma cutáneo es la terminología utilizada para describir un grupo de trastornos linfoproliferativos de la piel que pueden simular clínica e histológicamente un linfoma cutáneo, de estirpe T o B. La hiperplasia cutánea linfoide o linfocitoma cutáneo se refiere más comúnmente a un pseudolinfoma de estirpe B, que son los más frecuentes, de características benignas, raramente con evolución maligna, que refleja una reacción inmune local exagerada a un estímulo inductor, entre los cuales se encuentran las mordeduras por artrópodos, los tatuajes, los alérgenos de contacto, etc. El pseudolinfoma cutáneo es una entidad poco frecuente, que a menudo pasa desapercibido, y que puede en algunos casos progresar hacia la malignidad o la diseminación sistémica (linfoma miliar cutis). Es por ello que el conocimiento de la clínica y la histopatología es fundamental para disminuir los riesgos y las complicaciones asociadas. Se presenta el caso clínico de un paciente masculino de 20 años de edad, sin antecedentes personales relevantes, que consulta refiriendo lesiones eritematosas papulares en región testicular y pene, de más de dos meses de evolución, para las cuales se indicó tratamiento con corticoides y antifúngicos tópicos, sin mejoría del cuadro. Se decide toma de biopsia por punch de piel de 0.5 x 0.3 cm en región inguinal izquierda, fijada en formol buffer al 10% y se procesa con técnicas de tinción habitual. El informe de anatomía patológica resultó concluyente para hiperplasia linfoide cutánea superficial y profunda, vinculable a reacción por picadura de artrópodo. El paciente evoluciona favorablemente. Los pseudolinfomas cutáneos plantean un reto clínico-patológico para el diagnóstico y tratamiento de estas lesiones. Dentro de sus múltiples causas, las formas desencadenadas por mordeduras de artrópodos se asocian frecuentemente con lesiones solitarias, en general en zonas expuestas. El objetivo principal en el manejo de esta entidad es descartar un proceso maligno, para lo cual la toma de biopsia y la inmunohistoquímica en caso de ser necesaria, son herramientas fundamentales en el manejo y seguimiento del paciente. Universidad Nacional Córdoba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología 2025-11-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unc.edu.ar/index.php/med/article/view/50417 Revista de la Facultad de Ciencias Médicas de Córdoba.; Vol. 82 (2025): Suplemento JIC XXVI Revista de la Facultad de Ciencias Médicas de Córdoba; Vol. 82 (2025): Suplemento JIC XXVI Revista da Faculdade de Ciências Médicas de Córdoba; v. 82 (2025): Suplemento JIC XXVI 1853-0605 0014-6722 spa https://revistas.unc.edu.ar/index.php/med/article/view/50417/50645 Derechos de autor 2025 Universidad Nacional de Córdoba https://creativecommons.org/licenses/by-nc/4.0 |