Problems in Diagnosis and Treatment of Retrorectal Tumors: Our Experience in 50 Patients.

Retrorectal tumors are rare lesions in adults, which remains a difficult diagnostic and management problem. The purpose of this study was to evaluate the results of surgical management of retrorectal tumors in our institution. In a retrospective study, a consecutive series of patients who underwent surgical excision of a retrorectal tumor were identified from a database. Medical records, radiology, pathology reports and surgical approach were checked retrospectively. The data was analyzed using SPSS statistical software (version 18). From 50 patients, 24 were male, and 26 were female with the mean age of 41.7 years. The origin of mass was congenital in 46% (23 cases) and neurogenic in 14% (7 patients), bone origin in 12% (6 cases) and miscellaneous in 24% (12 cases). In total, 56.7% (21 cases) were malignant. Surgical approaches included laparotomy in 11 cases, the sacral approach in 17 cases, the anterior-posterior approach in 14 cases and one case through abdomino-sacral approach. The mean follow-up was 56.7 (10-277) month. Ten patients died due to extensive metastases with a mean survival of 46.6 (1-158) months. Primary urethrorectal tumors are very rare. Successful treatment of these tumors requires careful clinical evaluation and expertise in pelvic surgery.

Coronary artery angiographic changes in veterans poisoned by mustard gas.

OBJECTIVES: We aimed to identify coronary artery involvement in mustard gas-poisoned patients. METHODS: We conducted a case-control study on 40 mustard gas-poisoned patients who underwent coronary artery angiography due to cardiac pain. The study was performed during a 3-year interval on patients who were referred to three main hospitals of Mashhad, Iran. The nonexposed control group consisted of 40 normal individuals who had undergone angiography for the same reasons. The primary outcome measurement was coronary artery involvement and its location. Data were collected through studying the angiography films. RESULTS: Among the 40 poisoned patients studied, 15 (37.5%) had coronary artery ectasia, mainly in the left anterior descending artery, but 25 (62.5%) did not. The same values were 2 (5%) and 38 (95%) in the nonexposed group, respectively, which was significantly different compared to the exposed group (p = 0.001). The odds ratio was 11.40. CONCLUSIONS: The prevalence of coronary artery ectasia in mustard gas-poisoned patients was 7.5 times more than in nonexposed controls. Considering the proposed odds ratio, the occurrence of coronary artery ectasia is around 11.4 times greater in mustard gas-poisoned veterans. This is the first study to suggest a strong correlation between mustard gas poisoning and coronary artery ectasia.