. Author manuscript; available in PMC: 2023 Jun 1.

Published in final edited form as: Cancer Cytopathol. 2022 Mar 4;130(6):423–432. doi: 10.1002/cncy.22564

TABLE 2.

Reporting Rates and Risk of Malignancies of Diagnostic Categories

Diagnostic Category	No. (%)	Histology	Risk of Malignancy (%)	Malignant Tumors on Histology

I. UNSAT	35 (7.4)	10	30	1 metastatic dedifferentiated liposarcoma, 1 metastatic clear cell RCC, 1 metastatic leiomyosarcoma
II. NN	12 (2.5)	1	0	N/A
III. BACE	103 (21.8)	21	0	N/A
IV. NONC	10 (2.1)	6	0	N/A
V. AUS	31 (6.6)	21	47.6	4 adrenal cortical carcinoma, 2 metastatic clear cell RCC, 2 metastatic adenocarcinoma of the lung, 1 metastatic leiomyosarcoma, 1 posttransplant lymphoproliférative disorder
VI. SM	10 (2.1)	6	100	3 diffuse large B-cell lymphoma, 1 metastatic adenocarcinoma of the pancreas, 1 metastatic clear cell RCC, 1 adrenal cortical carcinoma
VII. MAL	272 (57.5)	88	98.9	See Table 3

Abbreviations: AUS, atypia of undetermined significance; BACE, benign adrenal cortical elements; MAL, malignant; NN, nonneoplastic; NONC, primary neoplasm of noncortical origin; RCC, renal cell carcinoma; SM, suspicious for malignancy; UNSAT, nondiagnostic.