Related Experiment Videos
Peripheral primitive neuroectodermal tumor presenting with diffuse cutaneous involvement and 7;22 translocation
L M Smith1, R H Adams, A R Brothman
1Department of Radiation Oncology, University of Utah Health Sciences Center, Salt Lake City 84132, USA.
Medical and Pediatric Oncology
|May 20, 1998
Summary
This study details a rare infant peripheral primitive neuroectodermal tumor (pPNET) with congenital nodules and a specific genetic translocation. The tumor evolved from slow-growing to aggressive with metastasis and further genetic changes.
Area of Science:
- Pediatric Oncology
- Cancer Genetics
- Dermatology
Background:
- Peripheral primitive neuroectodermal tumors (pPNET) are rare, aggressive neoplasms.
- Congenital presentation of pPNET is exceptionally uncommon.
- Specific cytogenetic abnormalities, such as translocations, are key in diagnosing and understanding PNETs.
Observation:
- An infant presented with congenital cutaneous nodules.
- Initial diagnosis revealed a peripheral primitive neuroectodermal tumor (pPNET) with a t(7;22)(p21;q11.2) translocation.
- The tumor exhibited a unique biologic behavior, transitioning over time.
Findings:
- The pPNET initially presented as a slowly growing tumor with multiple cutaneous nodules.
- Over time, the neoplasm became more aggressive, developing pulmonary metastases.
- A soft tissue mass showed additional, distinct cytogenetic alterations, indicating tumor evolution.
Implications:
- This case highlights the diverse clinical and genetic spectrum of pPNET in infants.
- Understanding tumor evolution and secondary genetic changes is crucial for prognosis and treatment.
- Further research into congenital pPNETs and their genetic drivers is warranted.