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Definition / general | Treatment | Clinical images | Gross description | Microscopic (histologic) description | Microscopic (histologic) images | Positive stains | Differential diagnosisCite this page: Hale C. Lymphoid hyperplasia. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocyticlymphoidhyperplasia.html. Accessed January 29th, 2023.
Definition / general
- Nonspecific finding
- May be due to trauma, infection, arthropods
Treatment
- Rituximab may be useful (Clin Lymphoma Myeloma Leuk 2011;11:286)
Gross description
- Solitary nodules or plaques
Microscopic (histologic) description
- Lymphocytic and histiocytic infiltrate with tingible body macrophages, plasma cells, eosinophils
- Often germinal cells or lymphoid follicles, hyperplastic vessels or epidermal hyperplasia
- Usually spares epidermis
Microscopic (histologic) images
Differential diagnosis
- MALT lymphoma: marginal zone cells, Dutcher bodies, sheets of plasma cells