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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Fibro-adipose vascular anomaly (FAVA): three case reports with an emphasis on the mammalian target of rapamycin (mTOR) pathway

Fig. 2

Histology and immunohistochemical analysis of vascular markers. Representative H&E staining of FAVA (a; loupe image, b; higher magnification of black box in a, c; higher magnification of dot box in a). Asterisk (*) indicated skeletal muscle surrounding FAVA lesion. Serial sections stained for H&E (d), CD31 (e), CD34 (f), D2–40 (g) and PROX1 (h). Abnormal veins (V) were positive for CD31 and CD34. Abnormal lymphatic vessels (L) were positive for CD31, D2–40 and PROX1. Scale bars: a = 5000 μm; b, c = 1000 μm; d-h = 100 μm

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