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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