Astrocytic neoplasms of the central nervous system and orbit: a morphologic perspective
Tarik Tihan1, Michele M Bloomer
1Department of Pathology, University of California, San Francisco, UCSF School of Medicine, California, 94143-0102, USA. tarik.tihan@ucsf.edu
Abstract:
Astrocytic neoplasms constitute a highly diverse category of neoplasms in the central nervous system and the orbit that span from almost benign to highly malignant neoplasms. Most tumors in the former category are potentially cured by surgery alone, while the latter group of tumors do not respond to any form of current treatment. The most critical advance in our understanding of the pathology of these tumors has divided this group into circumscribed (or solid) and infiltrating (or diffuse) categories. These two categories differ from one another in virtually every aspect and their distinction has become the principle role of the pathologist in guiding appropriate management. There is increasing insight into the biology of these neoplasms but the fundamental role of the pathologist still remains the correct morphological recognition. This short review highlights the most pertinent features of neoplasms considered within this diverse family.
Insights
Astrocytic neoplasms are diverse brain and orbital tumors, ranging from benign to malignant. Pathologists distinguish between circumscribed and infiltrating types, crucial for guiding patient management and treatment strategies.
Area of Science:
- Neuro-oncology
- Central Nervous System Pathology
- Ophthalmology
Background:
- Astrocytic neoplasms represent a broad spectrum of tumors in the central nervous system and orbit.
- These neoplasms vary significantly in clinical behavior, from surgically curable to untreatable malignant forms.
- Recent advancements have classified these tumors into circumscribed (solid) and infiltrating (diffuse) categories.
Purpose of the Study:
- To review the key pathological features of astrocytic neoplasms.
- To emphasize the importance of morphological recognition in classifying these diverse tumors.
- To highlight the distinction between circumscribed and infiltrating astrocytic neoplasms for clinical management.
Main Methods:
- Literature review of astrocytic neoplasms.
- Analysis of pathological classifications.
- Discussion of morphological characteristics.
Main Results:
- Astrocytic neoplasms are pathologically divided into circumscribed and infiltrating types.
- These categories exhibit distinct biological and clinical features.
- Accurate morphological recognition by pathologists is paramount for effective management.
Conclusions:
- The distinction between circumscribed and infiltrating astrocytic neoplasms is critical for patient care.
- Pathological assessment remains the cornerstone for managing these diverse tumors.
- Understanding the morphological features aids in predicting tumor behavior and guiding treatment.
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