RT Journal Article SR Electronic T1 A calculus within an anal fistula tract in a diabetic patient JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 170 OP 171 VO 22 IS 2 A1 Ahmed, Mohamed E. A1 Shumo, Ahmed I. YR 2001 UL http://smj.org.sa/content/22/2/170.abstract AB A non-insulin dependent diabetic patient with a chronic anal fistula underwent fistulectomy. At operation a calculus was discovered. The patient had an uneventful recovery and healing of the wound in 4 weeks duration. The only case reported previously was in a nondiabetic patient and interestingly from this department.