[Gastrointestinal [GI]] 66 Years/M, RLQ pain, incidentally detected retroperitoneal mass during appendectomy
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Subspecialty | Gastrointestinal [GI] |
Classification | Etc |
Difficulty | Rare case |
Modality | US, CT, RI |
퀴즈 응모 기간 | 2024-11-10 ~ 2024-11-24 |
Questions | What is your diagnosis? |
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ANSWER | |
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Answer | Infiltrative granulomatous histiocytosis |
Comments | Retroperitoneal Erdheim-Chester disease Rare non-Langerhans cell, non-familial multisystemic histiocytosis, with widespread manifestations and of highly variable severity. Musculoskeletal involvement is most common. Multifocal extraskeletal involvement seen in 30-50% of patients. Often involves kidneys and retroperitoneum, usually asymptomatic. |
References | |
Keywords | Retroperitoneal mass |