Table 1. Clinical and immunohistochemical findings in six patients with sebaceous neoplasms.

Patient Gender/age	Personal tumor history	MLH1	MSH2	MSH6	Family tumor history	Diagnosis
Patient 1 F/56	Sebaceous adenoma Keratoacanthoma BCC Colon cancer	- - - -	+ - + +	+ - + +	Colon (6)	Muir-Torre syndrome
Patient 2 F/74	Sebaceous adenoma SCC Colon cancer	+ + +	- - -	- + -	Stomach (1) Ovary (2)	Muir-Torre syndrome
Patient 3 F/44	Sebaceous carcinoma	-	+	+	Colon (1)	Probable Muir-Torre syndrome
Patient 4 F/38	Sebaceous adenoma ID nevus	+ +	+ +	- +	None	Probable Muir-Torre syndrome
Patient 5 F/ 74	Sebaceous adenoma BCC	+ +	+ +	+ +	Stomach (1), endometrium (1) , pancreas (1), testicle (1), breast (2)	Sporadic sebaceous adenoma vs Muir-Torre syndrome
Patient 6 F/64	Sebaceous adenoma	+	+	+	None	Sporadic sebaceous adenoma

BCC: basal cell carcinoma

SCC: squamous cell carcinoma

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