Table 1.

Clinical and histopathological features of cases diagnosed with RCC during pregnancy.

		No.	%
Maternal age at diagnosis	(21–52)y
Pathology
	Adenocarcinoma	89	84
	Chromophobic	3	2.8
	Nephroblastoma	8	7.7
	Othersa	6	5.7
Stage at diagnosis
	Localized	103	98.7
	Metastatic	2b	1.3
Gestational age at diagnosis
	First trimester	6	5.7
	Second trimester	11	9.6
	Third trimester	3	2.7
	Not reported	85	82
Timing of surgery
	Before labor	13	12.5
	Spontaneously with labor	2	2.7%
	After labor	4
Termination of pregnancy		2

^aOther histopathological types include the following: two cases with Angiosarcoma, one case with Carcinoid, one with capsular osteoadenocarcinoma, one with Renal pelvis carcinoma and one with lymphoma.

^bOne case diagnosed with renal cell carcinoma 4 years before gestation, presented during pregnancy with rapid increase in size of previously existed metastases.