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Image of the Month—Diagnosis
Arch Surg. 2006;141:942.
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Answer: Schwannoma
Operative resection was planned via laparoscopy, with an approach similar to that of a left adrenalectomy. Intraoperatively, a solid mass anterior and inferior to the left renal vein was identified; it appeared encapsulated and was easily dissected free from adjacent structures (Figure 2). Her postoperative course was uneventful and she was discharged home on hospital day 2. Pathologic examination demonstrated a 5.4 x 4.3 x 3.7-cm mass with a well-developed capsule. Tumor cells stained positive for S100 protein and CD34 cells and negative for desmin and muscle-specific actin, which is consistent with a benign schwannoma.
Figure appears in full text version.
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Figure 2. A laparoscopic approach was used to dissect the inferior and lateral aspects of the well-encapsulated, solid mass well away from the renal blood vessels and ureter before rotating the entire mass out of the bed of dissection.
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The majority of schwannomas occur in the head, neck, or extremities, with few cases . . . [Full Text of this Article]
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Image of the Month—Quiz Case
C. Clay Cothren, Waleed L. Lutfiyya, Fernando J. Kim, and David J. Ciesla
Arch Surg. 2006;141(9):941.
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