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Castleman's Disease Presenting as an Unusual Pelvic Retroperitoneal Mass
Mallikarjun B Patil1, Vikram U Sindgikar1, Sai Kulkarni2
1General Surgery, Shri B. M. Patil Medical College Hospital and Research Centre, BLDE (Deemed to be University), Vijayapura, IND.
Cureus
|November 25, 2024
Summary
Castleman's disease (CD) is a rare lymphoproliferative disorder. This case highlights a rare pelvic retroperitoneal presentation of unicentric Castleman's disease (UCD), successfully treated with surgical resection.
Area of Science:
- Oncology
- Pathology
- Surgical Gastroenterology
Background:
- Castleman's disease (CD) is a benign lymphoproliferative disorder, distinct from neoplasms.
- CD is classified into unicentric (UCD) and multicentric forms.
- UCD typically presents as a localized enlarging mass, commonly in the mediastinum or thoracic region.
Observation:
- A 31-year-old male presented with a three-month history of lower abdominal pain.
- Imaging revealed a pelvic retroperitoneal nodal mass with calcification, displacing the bladder.
- Fine needle aspiration cytology showed atypical cells, prompting exploratory laparotomy.
Findings:
- Surgical excision and biopsy diagnosed the mass as the hyaline-vascular variant of UCD.
- Immunohistochemistry confirmed angiofollicular hyperplasia with sclerotic vessels and hyalinization.
- The patient became asymptomatic post-surgery.
Implications:
- This case underscores the rarity of UCD in the pelvic retroperitoneum.
- Complete surgical resection is curative for UCD and essential to prevent potential neoplastic transformation.
- UCD should be considered in the differential diagnosis of solitary solid pelvic retroperitoneal masses.
Keywords:
castleman's disease immunohistochemistryhyaline vascular typeonion skin appearancesites of castleman's diseasesolid pelvic retroperitoneal massunicentric castleman’s diseaseMore Related Videos
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