Test your knowledge and try to identify the diagnosis!
Row 1
Adenoid cystic carcinoma, showing cribriform pattern
Benign prostatic hypertrophy (BPH)
Papillary thyroid carcinoma, follicular variant, showing optically clear (“orphan Annie eyes”) nuclei, including nuclear grooves
Row 2
Cervix biopsy showing low grade squamous intraepithelial lesion (LSIL, mild dysplasia, CIN 1)
Benign hyperplastic colon polyps
Basal cell carcinoma, showing tumor sheets with cleft artifact and keratinization..
Row 3
Adenoid cystic carcinoma, showing perineural invasion
Paget’s Disease of the breast (nipple)
Adenocarcinoma in situ of lung (lepidic growth pattern)
Row 4
Well differentiated, grade 1, invasive ductal carcinoma
Renal cell carcinoma (left) and normal kidney (right)