Pediatric Pathology Glossary

Rare primitive neuroectodermal tumor typically occurring in young children, resembling embryonic neural tube.

A quantitative histological measure in neuroblastoma pathology counting the combined number of mitotic figures and karyo...

A benign fibroblastic/myofibroblastic proliferative disorder of infancy and childhood, presenting as solitary or multipl...

A serious gastrointestinal condition affecting premature infants, characterized by intestinal tissue death.

The diffuse or multifocal persistence of embryonal renal tissue (nephrogenic rests) beyond 36 weeks' gestation, represen...

Abnormally persistent foci of embryonic metanephric tissue in the postnatal kidney, recognised as precursor lesions to W...

Most common extracranial solid tumor in children, arising from neural crest cells.

Congenital abdominal wall defect where organs protrude through the umbilicus covered by a membrane.

Abnormal enlargement of one or more organs, documented in pediatric pathology using age- and weight-adjusted reference r...

The most common primary malignant pancreatic tumour of early childhood, characterised by a lobular architecture with squ...

A congenital heart defect where the ductus arteriosus fails to close after birth, causing abnormal blood flow.

A cluster of abnormally persistent embryonal renal cells located at the periphery of the renal lobe, regarded as a precu...

Brain injury in premature infants characterized by necrosis of white matter near the lateral ventricles.

Periodic fever, aphthous stomatitis, pharyngitis, and adenitis - a pediatric autoinflammatory syndrome.

A rare placental vascular anomaly characterised by stem villous enlargement and mesenchymal hyperplasia, grossly resembl...

A benign, hyalinised remnant of intermediate trophoblastic cells incidentally found in endometrial or cervical curettage...

A rare, aggressive intrathoracic malignancy of early childhood arising from pulmonary or pleural mesenchyme, classified...

The age of a preterm infant calculated from the mother's last menstrual period, used for timing medical interventions.

Abbreviation for pleuropulmonary blastoma, a rare malignant intrathoracic tumour of early childhood.

A family of surgical operations used to treat Hirschsprung disease, in which the aganglionic bowel segment is resected a...

An eye disorder affecting premature infants, characterized by abnormal blood vessel development in the retina.

A highly malignant renal neoplasm of infancy characterised by cells with vesicular nuclei, prominent nucleoli, and eosin...

Most common soft tissue sarcoma in children, arising from primitive mesenchymal cells.

Relating to or involving both the sacrum and the coccyx; used as a locator adjective in the most common site of pediatri...