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Pediatric Pathology Glossary
105 terms total — 1 showing — Last updated 15 Sep 2026
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Placental Site Nodule PSN
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Technical
IVT
A benign, hyalinised remnant of intermediate trophoblastic cells incidentally found in endometrial or cervical curettage specimens, representing a retained focus of implantation-site trophoblast.
15 Sep 2026
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AT/RT
Intermediate
Technical
IVT
Abbreviation for atypical teratoid/rhabdoid tumour, an aggressive paediatric CNS malignancy defined by SMARCB1/INI1 loss...
Abbreviation
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