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Treatment strategy of pineal tumors in consideration of their pathomorphology
B Fischer1, S Palkovic, H Wassmann
1Department of Neurosurgery, University of Muenster, Muenster, Germany. fischeb@mednet.uni-muenster.de
Background:
Tumors of the pineal gland are rare pathology. This paper reports on therapeutical considerations of histologically heterogeneous pineal tumors in a group of 15 patients and is presenting a special case of neuroaxial seeding.
Methods:
Surgery and/or additional therapeutic procedures were performed in 13 of our 15 patients ("youngster" and "adults") in respect of pathomorphology. Details are reported concerning a 52-year-old man suffering from pineocytoma (WHO grade II), who underwent different kinds of therapy within 10 years follow-up.
Results:
In the six "youngster" the histological assessment revealed two teratomas, one mixed pineocytoma/pineoblastoma, one astrocytoma and one epidermoid cyst. All neoplasms were treated surgically with good results. Additional radio-/chemotherapy was used in a case of teratoma and pineocytoma/pineoblastoma. From five successfully surgically treated "adults" (germinoma, pineoblastoma, pineocytoma, two cystic formations) in two of them (germinoma, pineoblastoma) additional radiotherapy was needed, another two patients (cystic formations) were healed after stereotactic puncture. The patient with pineocytoma showed recurrent neuroaxial seeding within 10 years in spite of repeated radiotherapy, though his neurological status remained stable (Karnofsky performance score of 100).
Conclusion:
Precise histopathological assessment of pineal tumors is essential to guide optimal modern therapy modalities in order to assure a local tumor control. (Fig. 3, Ref. 18.).
Insights
Accurate histopathology is key for treating rare pineal gland tumors. This study reviews 15 cases, highlighting varied treatments and outcomes, including a unique neuroaxial seeding case.
Area of Science:
- Neuro-oncology
- Pediatric oncology
- Neurosurgery
Background:
- Pineal gland tumors are rare and histologically diverse.
- This study examines therapeutic strategies for 15 patients with various pineal tumors.
- A specific case of neuroaxial seeding is detailed.
Observation:
- Surgical and adjuvant therapies were employed based on tumor type and patient age.
- Tumor types included teratomas, pineocytoma/pineoblastoma, astrocytoma, epidermoid cyst, germinoma, and cystic formations.
- One patient with pineocytoma experienced recurrent neuroaxial seeding over 10 years despite treatment.
Findings:
- Surgical treatment yielded good results for most pediatric and adult cases.
- Radiotherapy and chemotherapy were used as adjuncts for aggressive or recurrent tumors.
- Stereotactic puncture successfully treated cystic formations in adults.
Implications:
- Precise histopathological diagnosis is crucial for selecting appropriate therapies.
- Effective local tumor control relies on tailored treatment modalities.
- Understanding rare pineal tumor behavior aids in optimizing patient management and outcomes.
