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Secondary Lymphoid Organs

Secondary Lymphoid Organs

Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...

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Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting

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Granulomatous and eccrinotropic lymphomatoid papulosis.

Nilam Jain¹, Rameshwar Gutte, Pinanky Jadhav

¹Department of Dermatology, Seth GS Medical College and King Edward Memorial Hospital, Mumbai, India.

Indian Journal of Dermatology, Venereology and Leprology

|December 27, 2011

Summary

Lymphomatoid papulosis, a skin condition with benign clinical but malignant histologic features, can present with granulomatous and eccrinotropic variants. Low-dose oral methotrexate effectively treated a case in a 40-year-old male.

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Area of Science:

Dermatology
Oncology
Pathology

Background:

Lymphomatoid papulosis (LyP) is a rare skin disorder characterized by a chronic, recurrent eruption.
Clinically, LyP appears benign, but histopathology reveals features suggestive of malignant lymphoma, specifically CD30+ (cluster of differentiation 30) malignant lymphoma.
It is often classified as a low-grade cutaneous T-cell lymphoma (CTCL).

Observation:

This report details a unique case of granulomatous and eccrinotropic lymphomatoid papulosis in a 40-year-old male.
The patient presented with no evidence of systemic involvement.
The specific subtype involved granulomatous inflammation and eccrine sweat gland infiltration.

Findings:

Histopathological examination confirmed the diagnosis of lymphomatoid papulosis with distinct granulomatous and eccrinotropic features.
The patient's condition was managed with a low dose of oral methotrexate.
A positive therapeutic response was observed following the methotrexate treatment.

Implications:

This case expands the understanding of lymphomatoid papulosis variants, highlighting the granulomatous and eccrinotropic subtypes.
It underscores the potential efficacy of low-dose oral methotrexate in managing specific presentations of LyP.
Further research into targeted therapies for distinct LyP subtypes may improve patient outcomes.