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. 2013 May 30;13(2):228–237. doi: 10.1102/1470-7330.2013.0024

Table 2.

Growth pattern for each case of prostate sarcoma

Histology Embryonal rhabdomyosarcoma (n = 3) Alveolar rhabdomyosarcoma (n = 2) Leiomyosarcoma (n = 4) Stromal sarcoma (n = 1) MPNST (n = 1) Spindle cell sarcoma (n = 1) Postradiation-induced sarcoma (n = 1) All cases (n = 13)
Mean size (cm) 7.7 7.4 7.5 11.7 10.8 10.0 3.5 7.9
Shape and outline A = 1, B = 2 A = 0, B = 2 A = 3, B = 1 A = 1, B = 0 A = 1, B = 0 A = 1, B = 0 A = 1, B = 0 A = 8, B = 5
Pseudocapsule 1 0 2 1 1 0 1 6
Zonal preservation 1 0 2 0 1 0 1 5
Extension beyond prostate 3 2 4 1 1 1 1 13
Breach of urogenital diaphragm 0 2 0 0 1 0 0 3
Bladder invasion 3 1 1 0 0 1 0 6
Seminal vesicle invasion 1 2 3 0 0 1 1 8
Rectal invasion 0 1 1 0 0 0 0 2
Ureteric Invasion 0 1 0 0 0 0 0 1
Hydronephrosis 1 1 1 1 0 0 0 4
Lymph node involvement

  • 1. Pelvic

  • 2. Pelvic

  • 3. Pelvic, retroperitoneal

  • 1. Pelvic

  • 2. Pelvic, retroperitoneal, mediastinal, axilla

  • 1. 0

  • 2. 0

  • 3. 0

  • 4. 0

 1. 0 1. 0 1. Pelvic 1. 0

  • Pelvic = 6

  • Retroperitoneal = 2

  • Mediastinal = 1

  • Axilla = 1

  • No nodes = 7
Metastases

  • 1. Lung, bone

  • 2. Lung

  • 3. 0

  • 1. Bone

  • 2. Lung, bone

  • 1. Liver

  • 2. 0

  • 3. Lung

  • 4. 0

 1. 0 1. Lung, bone, liver 1. Lung 1. Liver

  • Lung = 6

  • Bone = 4

  • Liver = 3

  • None = 4

A, rounded or lobulated and well-circumscribed tumour; B, irregular and ill-defined tumour.