Synovial Sarcoma of the Abdominal Wall

Abstract

SUMMARY.-A case report is presented of a synovial sarcoma arising in the abdominal wall. This is the seventh such case to be reported. A brief review of the clinical and pathological features of synovial sarcoma is made.Pre-operative diagnosis of an abdominal wall synovial sarcoma is virtually impossible, but should be considered when a soft tissue swelling is found to show amorphous stippled calcification on X-ray.

Biphasic synovial sarcoma of the abdominal wall

“…However, it may be more rarely found in unexpected sites, such as abdominal and thoracic walls [11,20,33], head and neck regions [34], including pharynx, larynx [33], and orbit [37], retroperitoneum [14,38], mediastinum [40], bone [6], nerves [28], blood vessels [33], as well as visceral organs, such as lungs [44], pleura [16,26], heart [19], kidneys [3,23] or prostate [18]. The anterior abdominal wall is a rare location for synovial sarcoma development and, in the English language literature, 44 cases have been published between 1950 and 2005 [1,11,17,20,25].…”

“…Clinical diagnosis of synovial sarcoma of the abdominal wall is virtually impossible, although the presence of stippled amorphous calcification on X-ray should suggest the diagnosis [17].…”

Unusual case studies of anterior abdominal wall mass as diagnosed by ultrasonography

“…Hale and Calder described a case of a synovial sarcoma of the anterior abdominal wall in which calcifications were seen on the abdominal radiograph. 6 The diagnosis of heterotopic bone formation was excluded in the last case since the area of calcification was not confined to a surgical scar. Metastatic adenocarcinoma to the abdominal wall was described by El Dumeiri as a direct extension of a cecal c a r~i n o m a .~ A negative barium enema excluded this possibility in the last case.…”

Synovial Sarcoma Oropharynx - A Case Report and Review of Literature

“…It is primarily a disease of young adults typically arising in the deep soft tissues of the extremities, most commonly, the lower thigh-knee region. Reports in the literature have underscored the occurrence of this tumor in unusual sites, many seemingly distant from synovium-lined spaces, particularly, the abdominal wall [1] and head and neck region. The vast majority of this latter group, mostly case reports, were confined to the cervical and parapharyngeal region [2][3][4][5][6][7][8].…”