Table 1

Clinicopathological features of mesenteric PEComas described in present and previous reports
No. Authors (yr.) Diagnosis Age (year)/Gender Tumor size (cm) Nuclear grade Cellularity MF (per 50HPF) Invasion Necrosis LN status Treatment Outcome
1 Folpe AL (2005) [3] PEComa with UMP 67/Female 13.0 High Moderate 0 No No Not involved SE only NED at 84 months
2 Benign PEComa 97/Female 4.0 Intermediate Moderate 0 No No Not involved SE only NED at 38 months
3 Malignant PEComa 80/Female 9.5 High High >50 Vascular invasion Yes Not involved SE only NED at 19 months
4 Malignant PEComa 46/Female 12.0 Intermediate Moderate 5 Vascular invasion Yes Not involved SE + CT Recur and liver metastases at 22 months; die at 27 months
5 Gross E (2010) [4] Malignant PEComa 5.5/Male 5.0 High Moderate NA Surrounding tissue invasion No Not involved SE only NED at 24 months
6 Lai CL (2012) [5] Malignant PEComa 59/Male 11.0 High High 3 Vascular invasion Yes Not involved SE + CT Recur at 6 months; alive
7 The present case Malignant PEComa 38/Female 10.0 Intermediate Moderate 2 Surrounding tissue invasion Yes Involved SE + CT NED at 6 months

UMP, uncertain malignant potential; MF, mitotic figure; LN, lymph node; SE, surgical excision; CT, chemotherapy; NA, not available; NED, no evidence of disease.

Fu et al.

Fu et al. Diagnostic Pathology 2013 8:60   doi:10.1186/1746-1596-8-60

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