diffuse uterine adenomyosis
Diffuse uterine adenomyosis is the most common of uterine adenomyosis. For the discussion of adenomyosis, please refer to the parent article - adenomyosis of the uterus.
Epidemiology
Diffuse adenomyosis may account for ~2/3of uterine adenomyosis.
Pathology
Diffuse adenomyosis can be even or uneven in involvement and, therefore, it is subclassified as either symmetrical or asymmetrical .
Radiographic features
Ultrasound
Non-specific but may be seen as heterogeneity in myometrial echotexture.
Myometrial bulkiness however may be asymmetric and typically can affect the fundal region and posterior wall .
MRI
On T2-weighted MR images, diffuse adenomyosis usually manifested as diffuse thickening of the endometrial-myometrial junctional zone (many use the thickness cut off of ~12 mm) with homogeneous low signal intensity .