Table 4 Asbestos fiber analysis in 61 cases of sarcomatoid mesotheliomas

From: Sarcomatoid mesothelioma: a clinical–pathologic correlation of 326 cases

Tumor histology and fiber counts

Asbestos bodies a (LM)

Commercial amphibole asbestos (A+C) b (s.e.m.)

Non- commercial asbestos (TAA) b (s.e.m.)

Chrysotile (s.e.m.)

Sarcomatoid

 Median

1640

15 600

4180

1450

 Range

<3 to 436 000

<280 to 494 000

<470to 455 000

<470 to 14 200

Other

 Median

348

6640

2540

1100

 Range

<0.2 to 1 600 000

120–11 900 000

26–286 000

<120 to 197 000

Reference

 Median

2.9

<600

<600

<600

 Range

0.2–22

<100 to <2540

<170 to 2540

<100 to 1000

  1. LM, light microscopy; s.e.m., scanning electron microscopy; A+C, amosite+crocidolite; TAA, tremolite+anthophyllite+actinolite.
  2. a AB count/g wet lung.
  3. b Uncoated fiber counts are numbers/g wet lung.
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