Table 1.

Tumors found in association with dermatomyositis (DM).

Primary Organ	No.	Histology
Breast	6	Carcinoma (6)
Bladder	1	Squamous (1)
Cervix	1*	Squamous (1)
Colon	3	Adenocarcinoma (3), including 1 rectal
Endometrium	1	Adenocarcinoma (1)
Larynx	1**	Squamous (1)
Lung	5	Small-cell (3), squamous (1), adenocarcinoma (1)
Ovary	2	Adenocarcinoma (1), cystadenocarcinoma (1)
Pancreas	3	Adenocarcinoma (2), neuroendocrine (1)
Parotid	1	Mixed (1)
Prostate	1	Adenocarcinoma (1)
Unknown	1	Adenocarcinoma (1)

^*Patient initially developed DM with cervical cancer. DM returned in association with a mixed parotid tumor 7 years later.

^**Patient initially developed DM with squamous cell cancer of the piriform sinus. DM returned in association with adenocarcinoma of the lung 8 years later.