Ovarian Cancer, Version 1.2016, NCCN Clinical Practice Guidelines in Oncology

Area of Science:

• Gynecologic Oncology
• Pathology
• Clinical Guidelines

Background:

• Ovarian cancer encompasses a range of histopathological subtypes.
• Less common ovarian histopathologies (LCOHs) require specific diagnostic and management approaches.
• Previous guidelines may not have adequately addressed the nuances of LCOHs.

Purpose of the Study:

• To present the updated NCCN Guidelines for Ovarian Cancer focusing on LCOHs.
• To detail the newly incorporated algorithms for specific LCOHs.
• To highlight revisions to existing algorithms for LCOHs.

Main Methods:

• Review and synthesis of the NCCN Guidelines for Ovarian Cancer (2016 update).
• Identification and description of algorithms pertaining to LCOHs.
• Categorization of LCOHs based on the updated guidelines.

Main Results:

• New algorithms have been introduced for LCOHs.
• Specific LCOHs addressed include clear cell carcinomas, mucinous carcinomas, and grade 1 serous/endometrioid epithelial carcinomas.
• The guidelines also cover carcinosarcomas, borderline epithelial tumors, malignant sex cord-stromal tumors, and malignant germ cell tumors.

Conclusions:

• The updated NCCN Guidelines provide a refined framework for managing less common ovarian histopathologies.
• These revisions ensure more tailored and current treatment strategies for patients with diverse ovarian cancer subtypes.
• The inclusion of specific algorithms enhances clinical decision-making for rare ovarian tumors.