Related Experiment Video
Updated: Jun 8, 2026

Wild-type Blocking PCR Combined with Sanger Sequencing for Detection of Low-frequency Somatic Mutation
Published on: August 23, 2024
Multicentric reticulohistiocytosis
C Balachandran1, L Sabitha, S Acharya
1From the Department of Skin and STD, Kasturba Medical College, Manipal-576119, India, .
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.
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.
More Related Videos
Related Concept Videos
The Retinoblastoma Gene
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The Retinoblastoma Gene
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
Rous Sarcoma Virus (RSV) and Cancer
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Rous Sarcoma Virus (RSV) and Cancer
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Multipotency of Hematopoietic Stem Cells
Cytomegalovirus Disease
