Uterus, Adenomatoid tumour [LMP82169]

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Image Details
Diagnostic Modality: 
Whole Slide Image
Disease Category: 
Neoplasia
Diagnosis: 
Adenomatoid tumour
Species: 
Human
Organ System: 
Female Genital Tract
Gender: 
Female
Diagnosis Code: 
ICD-10: D26.9 | ICD-O: 9054/0
Slide Contributor Information
Gao, A., Chang, M.

Keywords

benign mesothelioma, adenomyosis

Clinical History

Hysterectomy specimen for fibroids.

Clinical Discussion

Adenomatoid tumours are benign tumours of mesothelial origin usually affecting young adults. In women, the uterus, fallopian tubes, and ovarian hilus are most commonly affected. Microscopically, they are composed of vascular-, gland-, or slit-like spaces lined by flattened, epithelioid, cuboidal cells. Adenomatoid tumours stain with mesothelial markers (e.g. WT1, calretinin, D2-40). They exhibit uniformly benign behaviour and are often incidental findings. In this case, the tumour is incidentally located in the lower right aspect of the slide, under the serosal surface. It is unrelated to the reason for hysterectomy in this case.