Table 3.

Operative Characteristics of Patients with HS Complicated by SCC

Patient	Tumor Size, cm3	Perineural Invasion	Operative Details	Completeness of Resection
1	126	No	Wide excision with colostomy and abdominal exploration	R1; negative microscopic margins on subsequent operation
2	37	No	Wide excision with colostomy and abdominal exploration	R0
3	1	No	Wide excision only	R0
4	2	No	Wide excision only	R0
5	136	Yes	Wide excision with proctectomy	R0
6	91	Yes	Wide excision with vulvectomy and abdominal exploration	R0
7	1,008	Yes	Wide excision only	R0
8	15	Yes	Wide excision only	R1; negative microscopic margins on subsequent excision
9	180	Yes	Wide excision with Hartmann procedure (rectosigmoid colon resection with end colostomy and anorectal stump closure)	R2; excision halted after SCC diagnosis
10	22	No	Wide excision with colostomy	R0
11	36	No	Wide excision only	R0
12	10	Yes	Wide excision only	R2; excision halted after SCC diagnosis

Abbreviations: HS, hidradenitis suppurativa; R0, complete macroscopic resection with negative microscopic margins; R1, complete macroscopic resection with positive microscopic margins; R2, incomplete macroscopic resection with residual gross disease; SCC, squamous cell carcinoma.