Thursday, October 20th, 2005.

Journal of Clinical Ultrasound. Volume 33, Issue 8 , Pages 418 - 420. Published Online: 20 Oct 2005. [Link]

Ming-Tsung Wang, MD ¹, Chee-Wai Mak, MD ^{2 *}, Wen-Sheng Tzeng, MD ², Jyh-Ching Chen, MD ¹, Jinn-Ming Chang, MD ², Ching-Nan Lin, MD ³

1. ¹Department of Radiology, Kaohsiung Military General Hospital, Taiwan, Republic of China
2. ²Department of Diagnostic Radiology, Chi-Mei Medical Center, Tainan, Taiwan, Republic of China
3. ³Department of Pathology, Chi-Mei Medical Center, Tainan, Taiwan, Republic of Chinah

Abstract

Malignant mesothelioma of the tunica vaginalis testis is a rare and aggressive neoplasm. It is similar to malignant mesothelioma of the peritoneum, usually associated with asbestos exposure. We present an unusual case in which the tumor was a mix of a hypoechoic solid nodule and a cystic component with low-level internal echoes.

Glossary

neoplasm

(nee-o-plas-um) an abnormal growth (tumor) that starts from a single altered cell; a neoplasm may be benign or malignant. Cancer is a malignant neoplasm.

tumor

an abnormal lump or mass of tissue. Tumors can be benign (not cancerous) or malignant (cancerous).

ultrasound

an imaging method in which high-frequency sound waves are used to outline a part of the body. The sound wave echoes are picked up and displayed on a television screen. Also called ultrasonography.

mesothelioma

a tumor derived from mesothelial tissue, such as the peritoneum (lining the abdomen) or pleura (lining the lungs). More on mesothelioma.

tunica vaginalis

The serous sheath of the testis and epididymis, derived from the peritoneum; it consists of outer parietal and inner visceral serous layers.

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