Pediatric Pathology Glossary
105 terms total — 1 showing — Last updated 15 Sep 2026
Placental Site Nodule PSN
A benign, hyalinised remnant of intermediate trophoblastic cells incidentally found in endometrial or cervical curettage specimens, representing a retained focus of implantation-site trophoblast.
LCH
Acronym for Langerhans Cell Histiocytosis, a clonal myeloid neoplasm involving CD1a/CD207-positive Langerhans cells.