Table 1 Histological tumor classification
Tumour subtypes | Study groups | |||||||
|---|---|---|---|---|---|---|---|---|
TPAs | APAs | PCAs | Total | |||||
Number | % | Number | % | Number | % | Number | % | |
Densely granulated GH-cell adenomas | 5 | 2.5 % | 3 | 3.1 % | 0 | 0.0 % | 8 | 2.6 % |
Sparsely granulated GH-cell adenomas | 16 | 8.0 % | 11 | 11.2 % | 1 | 10.0 % | 28 | 9.1 % |
Mixed GH/PRL-cell adenomas | 9 | 4.5 % | 6 | 6.1 % | 0 | 0.0 % | 15 | 4.9 % |
PRL-cell adenomas | 64 | 32.0 % | 32 | 32.7 % | 2 | 20.0 % | 98 | 31.8 % |
Densely granulated ACTH-cell adenomas | 19 | 9.5 % | 8 | 8.2 % | 0 | 0.0 % | 27 | 8.8 % |
Sparsely granulated ACTH-cell adenomas | 49 | 24.5 % | 20 | 20.4 % | 0 | 0.0 % | 69 | 22.4 % |
ACTH-cell adenomas, NOS | 0 | 0.0 % | 0 | 0.0 % | 7 | 70.0 % | 7 | 2.3 % |
TSH-cell adenomas | 3 | 1.5 % | 2 | 2.0 % | 0 | 0.0 % | 5 | 1.6 % |
FSH/LH-cell adenomas | 10 | 5.0 % | 5 | 5.1 % | 0 | 0.0 % | 15 | 4.9 % |
Null cell adenomas | 25 | 12.5 % | 11 | 11.2 % | 0 | 0.0 % | 36 | 11.7 % |
Total | 200 | 100 % | 98 | 100 % | 10 | 100 % | 308 | 100 % |