Table 1. Patient characteristics in HlV-associated Merkel cell carcinoma.

Case (reference)	Sex	Race	Age at MCC diagnosis (years)	MCC site	HIV diagnosis to MCC (years)	CD4 cell count (cells/μl)	Viral load (copies/ml)	Treatment of MCC	on HAART?	Survival (months)
1 [5]	M	NA	47	Right buttock	HIV after MCC	625	NA	Chemotherapy	No	Recurrence at 11
2 [4]	M	NA	60	Nose	NA	329 (2 years after diagnosis)	NA	Mohs radiation therapy	Yes	24
3 [7]	M	NA	63	Forehead	12	232	Undetectable	Mohs	Yes	NA
4 [8]	M	W	54	Left upper extremity	HIV after MCC	82	250000	WLE	Yes (after diagnosis)	25
5 [6]	M	NA	51	Right buttock	6	122	32000	Local radiation therapy (refused surgery)	Yes (×5 months)	9
6 [9]	M	NA	57	Right dorsal middle finger	14	357–573 (last 3 years)	Undetectable	WLE	NA	>40
7 [10]	F	African black	36	Left ear	NA	63	24000	WLE	Yes	>9
8 [11]	M	NA	48	Buttock	10	267	>750000	WLE, radiation therapy	Yes (after diagnosis)	>11
9 [12]	M	Italian	40	Left inguinal lymph node (no known skin primary)	3	160	11000	WLE	Yes	>42
10 [13]	F	African black albino	25	Right cheek	NA	332	187000	Chemotherapy, radiation therapy, WLE	Yes (after diagnosis)	12
11 [14]	M	W	48	Scalp	12	Normal	Undetectable	WLE, radiation therapy	Yes	>12
12*	M	W	46	Right buttock	HIV after MCC	74 (21 months after diagnosis)	<75000	WLE, radiation therapy	Yes (after diagnosis)	23
13*	F	W	52	Right buttock	NA	NA	NA	WLE, radiation therapy	NA	12
14*	M	W	58	Left forearm	HIV after MCC	421	40000	WLE, lymphadenectomy, chemotherapy, radiation therapy	Yes (after diagnosis)	18

F, female; HAART, highly active antiretroviral therapy; M, male; MCC, Merkel cell carcinoma; NA, not available; W, whites; WLE, wide local excision.

^*Cases obtained from the data and specimen repository at the Fred Hutchinson Cancer Research Center.