Primary cutaneous CD4-positive small or intermediate pleomorphic T-cell lymphoproliferative disorder (Q89594): Difference between revisions
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Esse transtorno linfoproliferativo reativo geralmente se apresenta com uma placa ou tumor solitário em face, pescoço ou parte superior do tronco. Morfologicamente, é composto por linfócitos T pleomórficos CD4-positivos, CD8-negativos e CD30-negativos de tamanho pequeno a médio. Um pequeno número de linfócitos T pleomórficos grandes também pode estar presente. O infiltrado linfocítico é dérmico. Epidermotropismo focal e envolvimento subcutâneo podem estar presentes. Tem um prognóstico favorável. | |||
| description / en | description / en | ||
This reactive lymphoproliferative disorder usually presents with a solitary plaque or tumour on the face, neck, or upper trunk. Morphologically, it is composed of small to medium-sized CD4-positive, CD8-negative, and CD30-negative pleomorphic T-lymphocytes. A small number of large pleomorphic T-lymphocytes may also be present. The lymphocytic infiltrate is dermal. Focal epidermotropism and subcutaneous involvement may be present. It has a favourable prognosis. | |||
Revision as of 16:24, 15 August 2026
This reactive lymphoproliferative disorder usually presents with a solitary plaque or tumour on the face, neck, or upper trunk. Morphologically, it is composed of small to medium-sized CD4-positive, CD8-negative, and CD30-negative pleomorphic T-lymphocytes. A small number of large pleomorphic T-lymphocytes may also be present. The lymphocytic infiltrate is dermal. Focal epidermotropism and subcutaneous involvement may be present. It has a favourable prognosis.
| Language | Label | Description | Also known as |
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| default for all languages | ID_1278180128 |
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| English | Primary cutaneous CD4-positive small or intermediate pleomorphic T-cell lymphoproliferative disorder |
This reactive lymphoproliferative disorder usually presents with a solitary plaque or tumour on the face, neck, or upper trunk. Morphologically, it is composed of small to medium-sized CD4-positive, CD8-negative, and CD30-negative pleomorphic T-lymphocytes. A small number of large pleomorphic T-lymphocytes may also be present. The lymphocytic infiltrate is dermal. Focal epidermotropism and subcutaneous involvement may be present. It has a favourable prognosis. |
