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Table 1 Urethral calculus associated with urethral fistula

From: Urethral calculi with a urethral fistula: a case report and review of the literature

No. Case load Age Ethnicity Native/migratorya Location of calculus Size of calculus (cm) Fistulous track Etiological factors
1 1 38-year-old Indian Native Penobulbar junction [2] 6 × 5 Near the penoscrotal junction Stricture of penile urethra distalb
2 1 41-year-old Osmanli Native At the prostatic urethra [3] 5.9 × 3.2 × 2.8 Below the radix of penis Urethral trauma as a result of long-standing urethral catheter drainage
3 1 30-year-old English Native Recto-urethral fistula [4] 5 × 3.5 The membranous urethra Born with abnormalities
4 1 40-year-old Indian Native In proximal penile, bulbar, and posterior urethra [5] Multiple calculi At the root of the penis Urethral stricture
5 1 37-year-old Japanese Native Prostatic urethral [6] 4.2 × 3.4 × 2.1 Urethrocutaneous fistula in the perineal region A lumbar vertebral fracture
  1. aNative: those formed de novo in the urethra. Migratory: those formed in the bladder or kidney with secondary descent
  2. bExisted anatomic abnormality, the stone in large diverticulum