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Peripheral primitive neuroectodermal tumors of the head and neck
Archives of Otolaryngology--Head & Neck Surgery
|December 1, 1995
Summary
Primitive neuroectodermal tumors (PNETs) are rare in the head and neck but aggressive. Despite multimodal treatment, survival remains poor, necessitating further research into improved therapies for this challenging diagnosis.
Area of Science:
- Oncology
- Pathology
- Head and Neck Surgery
Background:
- Primitive neuroectodermal tumors (PNETs) are rare, aggressive malignancies of neuroectodermal origin.
- While commonly found in the thoracopulmonary region, PNETs can also occur in the head and neck.
Purpose of the Study:
- To determine the frequency of head and neck PNET presentation.
- To document diagnostic methods and treatment strategies for head and neck PNETs.
Main Methods:
- Retrospective chart review of patients with PNETs.
- Analysis of diagnostic workup, including cytogenetic analysis.
- Evaluation of treatment modalities: surgery, chemotherapy, and radiation therapy.
Main Results:
- Head and neck PNETs accounted for 42% of cases in this series.
- Metastatic disease was present in 31% of patients at diagnosis.
- Cytogenetic analysis aided in diagnosis; survival at 2 years was 65%.
Conclusions:
- PNETs are aggressive tumors that can present in the head and neck.
- Current treatment involves surgery, chemotherapy, and radiation therapy.
- Improved chemotherapeutic agents and aggressive treatment may enhance long-term survival.