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Multicentric reticulohistiocytosis.

C Balachandran1, L Sabitha, S Acharya

  • 1From the Department of Skin and STD, Kasturba Medical College, Manipal-576119, India, .

Indian Journal of Dermatology, Venereology and Leprology
|October 6, 2010
PubMed
Summary

A rare skin condition, multicentric reticulohistiocytosis, caused itchy, reddish-brown papules on a 54-year-old male's face, arms, and trunk. Histopathology confirmed the diagnosis, highlighting the importance of skin biopsy for identifying this condition.

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Area of Science:

  • Dermatology
  • Pathology
  • Rheumatology

Background:

  • Multicentric reticulohistiocytosis (MRH) is a rare, non-Langerhans cell histiocytosis characterized by systemic involvement and characteristic skin and joint manifestations.
  • The condition often presents with papular skin lesions and arthritis, posing diagnostic challenges due to its rarity and varied clinical presentation.

Purpose of the Study:

  • To present a case of multicentric reticulohistiocytosis (MRH) with typical cutaneous findings.
  • To emphasize the diagnostic role of histopathological examination in confirming MRH.

Main Methods:

  • A case report of a 54-year-old male patient with a history of 8-month duration of multiple, itchy, reddish-brown papules.
  • Skin biopsy of the affected areas was performed for histopathological analysis.

Main Results:

  • Histopathological examination of the skin biopsy specimen revealed characteristic features consistent with multicentric reticulohistiocytosis.
  • The patient presented with multiple, itchy, reddish-brown papules on the face, arms, and trunk.

Conclusions:

  • Multicentric reticulohistiocytosis (MRH) can manifest with distinct cutaneous lesions.
  • Histopathological analysis of skin biopsies is crucial for the definitive diagnosis of MRH, differentiating it from other papular dermatoses.