QUIZ HANDOUT
IOTA CRITERIA to describe adnexal masses
 Unilocular, unilocular-solid, multilocular, multilocular-solid or solid
 Cyst contents – anechoic, low level, ground glass, haemorrhagic or mixed
 Solid material or papillary structures or wall irregularity (presence and size)
 Vascularity
 Shadows
 Ascites
SIMPLE DESCRIPTORS
 Unilocular cyst, acoustic shadows, regular walls, premenopausal = Benign teratoma
(dermoid)
 Unilocular cyst, ground glass echogenicity, regular walls, premenopausal =
Endometrioma
 Unilocular anechoic cyst, regular walls, max diameter <10 cm = Simple cyst /
cystadenoma
 Remaining unilocular tumours with regular walls = Benign cyst
 Tumour with at least moderate colour Doppler score with ascites = Malignant mass
SIMPLE RULES
CASES
1
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
2
3
4
5
6
7
8
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
IOTA CRITERIA
SIMPLE DESCRIPTORS
SIMPLE RULES
HISTOLOGY
DERMOID / ENDOMETRIOMA / BENIGN CYST / CANCER
BENIGN / UNCERTAIN / MALIGNANT
9
10