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. 2020 Nov 27;8(12):E1855–E1861. doi: 10.1055/a-1236-3266

Table 3. Pathological findings and ICDC histological diagnostic level.

Pathological attribute All (n = 24) Fork-tip needle (n = 18) Reverse bevel needle (n = 6) P value
Specimen adequacy, n (%) 21 (87 %) 17 (94 %) 4 (67 %) 0.14
Histology

  • Storiform fibrosis, n (%)

 11 (46 %) 11 (61 %) 0

  • Obliterative phlebitis, n(%)

  8 (33 %)  8 (44 %) 0

  • Lymphoplasmacytic infiltration, n (%)

 12 (50 %) 12 (67 %) 0
Immunohistochemistry

  • IgG4 + /HPF > 10, n (%) 1

15 62 %) 14 (78 %) 1 (17 %)

  • IgG4 + /IgG + plasma cell ratio > 40 %, n (%) 2

 7 (29 %)  7 (39 %) 0
ICDC diagnostic level

  • 0, n (%)

 10 (42 %)  4 (22 %) 6

  • 1, n (%)

 13 (54 %) 13 (72 %) 0

  • 2, n (%)

  1 (4 %)  1 (7 %) 0
ICDC diagnosis (level 1 or 2), n (%) 14 (58 %) 14 (78 %) 0 0.001

IgG, immunoglobulin; HPF, high power field; ICDC, International consensus diagnostic criteria.

1

Not done in four and suboptimal in one of 21 adequate samples.

2

Not done in 4, and suboptimal in 4 of 21.