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Laparoscopic Extirpation of a Schwannoma in the Lateral Pelvic Space

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ABSTRACT

Schwannomas in the lateral pelvic space are very rare. Here, we report the case of a 48-year-old woman who had a tumor detected in her abdomen by abdominal ultrasonography. Abdominal computed tomography and magnetic resonance imaging revealed a well-defined solid tumor of 65 mm in diameter in the right lateral pelvic space. We performed laparoscopic surgery under a diagnosis of a gastrointestinal tumor or neurogenic tumor. The tumor was safely dissected and freed from the surrounding tissues using sharp and blunt maneuvers. The tumor originated from the right sciatic nerve. Complete laparoscopic extirpation was performed with preservation of the right sciatic nerve. Pathological examination suggested schwannoma. The patient recovered well but had remaining sciatic nerve palsy in her right foot. Laparoscopic extirpation for a schwannoma in the lateral pelvic space was safe and feasible due to the magnified surgical field afforded by laparoscopy.

No MeSH data available.


(a) The specimen was a firm, elastic, 70 × 50 mm mass with a capsule. (b) Palisade arrangement of spindle-shaped cells (hematoxylin-eosin, ×400).
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fig4: (a) The specimen was a firm, elastic, 70 × 50 mm mass with a capsule. (b) Palisade arrangement of spindle-shaped cells (hematoxylin-eosin, ×400).

Mentions: On inspection, the specimen was a firm, elastic, 70 × 50 mm mass with a capsule (Figure 4(a)). In section, the mass was yellow and white in color, with a solid consistency. Pathological examination showed a fibrous capsule and a palisade arrangement of spindle-shaped cells originating from the Schwann cells (Figure 4(b)). We observed extensive degenerative change in the tumor. We made a pathological diagnosis of benign schwannoma.


Laparoscopic Extirpation of a Schwannoma in the Lateral Pelvic Space
(a) The specimen was a firm, elastic, 70 × 50 mm mass with a capsule. (b) Palisade arrangement of spindle-shaped cells (hematoxylin-eosin, ×400).
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC5120176&req=5

fig4: (a) The specimen was a firm, elastic, 70 × 50 mm mass with a capsule. (b) Palisade arrangement of spindle-shaped cells (hematoxylin-eosin, ×400).
Mentions: On inspection, the specimen was a firm, elastic, 70 × 50 mm mass with a capsule (Figure 4(a)). In section, the mass was yellow and white in color, with a solid consistency. Pathological examination showed a fibrous capsule and a palisade arrangement of spindle-shaped cells originating from the Schwann cells (Figure 4(b)). We observed extensive degenerative change in the tumor. We made a pathological diagnosis of benign schwannoma.

View Article: PubMed Central - PubMed

ABSTRACT

Schwannomas in the lateral pelvic space are very rare. Here, we report the case of a 48-year-old woman who had a tumor detected in her abdomen by abdominal ultrasonography. Abdominal computed tomography and magnetic resonance imaging revealed a well-defined solid tumor of 65 mm in diameter in the right lateral pelvic space. We performed laparoscopic surgery under a diagnosis of a gastrointestinal tumor or neurogenic tumor. The tumor was safely dissected and freed from the surrounding tissues using sharp and blunt maneuvers. The tumor originated from the right sciatic nerve. Complete laparoscopic extirpation was performed with preservation of the right sciatic nerve. Pathological examination suggested schwannoma. The patient recovered well but had remaining sciatic nerve palsy in her right foot. Laparoscopic extirpation for a schwannoma in the lateral pelvic space was safe and feasible due to the magnified surgical field afforded by laparoscopy.

No MeSH data available.