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. Author manuscript; available in PMC: 2019 Aug 7.
Published in final edited form as: Am J Surg Pathol. 2018 Jun;42(6):767–777. doi: 10.1097/PAS.0000000000001038

Table 3.

Morphologic features identified in PRCC but not MTSCC

Morphologic features MTSCC (n=11) PRCC (n=15) Illustration P-value (Fisher-exact)
Distinct area of type 1 PRCC 0 6 (40%) Fig. 2B; 3A 0.02 *
Low-grade spindle cells lining tubules with irregular and “shaggy” lumina 0 6 (40%) Fig. 2D 0.02 *
Micronodules encompassing small papillae 0 2 (13%) Fig. 3F 0.5
*

p < 0.05