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. 2013:2013:456863.
doi: 10.1155/2013/456863. Epub 2013 Jun 9.

Abdominal wall schwannoma: case report and review of the literature

A Mishra  1 , M Hamadto, M Azzabi, M Elfagieh
Affiliations

Abdominal wall schwannoma: case report and review of the literature

A Mishra et al. Case Rep Radiol. 2013.

Abstract

A 29-year-old female had presented to surgical outpatient's department complaining of lump in the anterior abdominal wall. Ultrasound and magnetic resonance imaging revealed a solid degenerated tumor in the anterior abdominal wall. It was surgically excised, and histopathology confirmed it to be "ancient" schwannoma. To our knowledge, this is the second reported case of an abdominal wall ancient schwannoma in the medical literature.

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Figures

Figure 1
Figure 1
(a) Color flow showing hypovascularity of the mass. (b) B-mode ultrasound shows the well-encapsulated mass in anterior abdominal wall (arrow).
Figure 2
Figure 2
(a) T1W MRI shows encapsulated superficial mass with marked heterogeneity and patchy hypointense foci (arrow) suggesting cystic degeneration. (b) T2W MRI clearly delineates the capsule of the lesion and internal morphology (arrow). (c) The lesion is markedly hyperintense on fat-suppressed MRI suggesting degeneration (arrow).
Figure 3
Figure 3
(a) Peroperative picture shows the superficial location of the mass (arrow). (b) Excised tumor.
Figure 4
Figure 4
(a) Microscopic appearance of tumour showing Antoni A pattern with nuclear palisading (H & E staining). (b) Spindle cells in an Antoni type A area; red arrow indicates a large bizarre hyperchromatic nucleus. (c) Immunohistology slide confirming the diagnosis of schwannoma.
See this image and copyright information in PMC

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