Case Report: Malignant transformation of deep infiltrating endometriosis: a report of two cases and literature review - Report - MDSpire

Case Report: Malignant transformation of deep infiltrating endometriosis: a report of two cases and literature review

  • By

  • Yue Gu

  • Xuanxuan Zhao

  • Yongheng Shi

  • Zhijun Hu

  • Qing Liu

  • Hong Zhu

  • Peiquan Li

  • Kaijiang Liu

  • June 18, 2026

  • 0 min

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Clinical Report: Malignant Evolution of Deep Infiltrating Endometriosis

Overview

Expand on the multidisciplinary approach's components and its impact on patient outcomes.

Background

Deep infiltrating endometriosis (DIE) is a severe form of endometriosis that can lead to significant complications, including hydronephrosis and chronic pain. Although malignant transformation is rare, it poses serious diagnostic and therapeutic challenges. Understanding the potential for malignancy in DIE is crucial for timely intervention and improved patient outcomes.

Data Highlights

No numerical data or trial data presented in the article.

Key Findings

  • Two cases of DIE progressed to endometrioid adenocarcinoma, complicating clinical management.
  • Hydronephrosis was a common presenting feature in both cases, indicating the need for careful evaluation.
  • Endometrioid adenocarcinoma was the most frequently observed histological subtype in reported cases of malignant transformation from DIE.
  • Diagnosis of malignant transformation remains challenging due to nonspecific clinical manifestations and the overlap with benign DIE.
  • A multidisciplinary approach combining surgical resection and adjuvant therapy is recommended for managing malignant DIE.

Clinical Implications

Clinicians should maintain a high index of suspicion for malignant transformation in patients with long-standing DIE, particularly those presenting with hydronephrosis. A multidisciplinary approach is essential for effective management, including surgical intervention and appropriate adjuvant therapies.

Conclusion

The potential for malignant transformation in deep infiltrating endometriosis underscores the importance of vigilance in diagnosis and management. Early recognition and intervention can significantly impact patient outcomes.

Related Resources & Content

  1. Surgical Endoscopy, 2024 -- Comprehensive Surgical Approaches for Managing Severe Posterior Compartment Endometriosis
  2. Frontiers in Oncology, 2026 -- Malignant transformation of uterine serosal endometriosis to clear cell carcinoma in a postmenopausal patient: a rare case report
  3. Frontiers in Reproductive Health, 2026 -- Clinical challenges and therapeutic strategies in women with endometriosis, deep infiltrating endometriosis, and/or adenomyosis undergoing assisted reproductive technologies: a narrative review
  4. European Radiology, 2025 -- Consensus Guidelines from ESUR on MRI Protocols for Endometriosis: Terminology and Compartmental Analysis
  5. Diagnosis of Endometriosis | ACOG, 2026
  6. Frontiers, 2026 -- Clarifying the Link Between Endometriosis and Cancer: A Meta-analysis of Studies with Confirmed Temporality and Diagnostic Precision
  7. Diagnosis of Endometriosis | ACOG
  8. Frontiers | Clarifying the Link Between Endometriosis and Cancer: A Meta-analysis of Studies with Confirmed Temporality and Diagnostic Precision

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