Primary renal small cell carcinoma: A case report

Table 1 Ninety-two globally published cases of renal small cell carcinoma from 1984 to 2022 and their clinical characteristics and treatment options

Features	Classifications	Cases (%)
Age (yr)	≤ 55	38 (41.3)
	> 55	54 (58.7)
Gender	Male	50 (54.3)
	Female	42 (45.7)
Clinical presentation	Flank/abdominal pain	55 (60.0)
	Hematuria	32 (34.7)
	Lump	11 (11.9)
	Neurological symptoms	5 (5.4)
	Other nonspecific symptoms	7 (7.6)
Size (cm)	≤ 10	43 (58.9)
	> 10	30 (41.1)
Affected side	Right	40 (48.1)
	Left	43 (51.9)
pT stage	T1-T2	24 (27.6)
	T3-T4	63 (72.4)
Renal vein tumor thrombus	Yes	16 (34.8)
	No	30 (65.2)
Lymph node metastasis	Yes	41 (50.0)
	No	39 (50.0)
Distant metastasis	Yes	23 (28.3)
	No	58 (71.7)
Surgery	Yes	74 (81.3)
	No	17 (19.8)
Chemotherapy	Yes	51 (68.0)
	No	24 (32.0)
	Cisplatin	29 (56.9)
	Other	22 (43.1)