ArticleCureus2025
Laparoscopic Excision of a Psoas Epidermoid Cyst: A Report of a Rare Case.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Retroperitoneal cysts are rare, and retroperitoneal epidermoid cysts are fewer in number; these cysts often pose challenges in being diagnostically vague. This report presents a case of a 41-year-old man who presented with dysuria and bilateral loin pain, and was treated for bilateral ureteric calculi shown on an abdominal X-ray. The patient re-presented with pain, and further imaging revealed a provisional diagnosis of a hydatid cyst, demonstrated by a large mass within the right psoas muscle. Histopathology after a complete laparoscopic excision confirmed a benign epidermoid cyst (Gonzalez-Crussi grade 0). This case demonstrates that retroperitoneal cysts pose a diagnostic challenge due to vague symptoms and multiple plausible differential diagnoses. A multimodal evaluation and complete surgical excision have proven to be therapeutically vital, with a minimal rate of recurrence.
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