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Table 1 Comparative chart

From: Bladder inflammatory myofibroblastic tumor: report of four cases

 

Case 1

Case 2

Case 3

Case 4

Age

36

18

38

45

Sex

Male

Male

Male

Male

Clinical presentation

Low urinary tract symptoms

Hematuria

Hematuria

Low urinary tract symptoms + Hematuria

Tumor size by CT (mm)

41 × 34 × 58

46 × 43 × 40

58 × 40 × 42

61 × 59 × 55

Tumor location

Dome

Right lateral wall

Dome

Dome

1st Treatment

Incomplete TURB

TURB

TURB

TURB

Time to recurrence

3 months

6 months

2 months

Histological patterns

Spindle cells pattern

Mixed patterns

Spindle cells, Vascular pattern

Spindle cells, mixed inflammatory elements

Immunohistochemical staining

Smooth muscle actin, ALK1

Smooth muscle actin, ALK 1, Desmin

Smooth muscle actin, Desmin

AML, ALK, AE1-AE3, CD68