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Updated: May 14, 2026

Intravital Microscopy of the Inguinal Lymph Node

Intravital Microscopy of the Inguinal Lymph Node

Published on: April 4, 2011

Primary ovarian borderline tumor in the inguinal lymph node.

Nicolas Carrabin¹, Isabelle Treilleux, Pierre Meeus

¹Department of Surgical Oncology, Centre Léon Bérard, Lyon, France. nicolas.carrabin@yahoo.fr

International Journal of Gynecological Pathology : Official Journal of the International Society of Gynecological Pathologists

|February 2, 2013

Summary

A rare ovarian borderline tumor was found in an inguinal lymph node, with no primary tumor in the ovaries. This suggests ectopic ovarian tissue, not an increased cancer risk from this rare location.

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Intravital Microscopy of the Inguinal Lymph Node

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Published on: April 4, 2011

Draining Lymph Node Metastasis Model for Assessing the Dynamics of Antigen-Specific CD8+ T Cells During Tumorigenesis

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Area of Science:

Gynecologic Oncology
Surgical Pathology
Histopathology

Background:

Borderline ovarian tumors (BOTs) are rare neoplasms with malignant potential.
Ectopic ovarian tissue, though uncommon, can occur in various locations, including lymph nodes.
Accurate diagnosis is crucial for appropriate patient management.

Observation:

A case of primary serous ovarian borderline tumor (O-BOT) was identified within an inguinal lymph node.
Bilateral ovariectomy and pathological examination revealed no primary ovarian tumor.
The tumor was surrounded by normal ovarian tissue with positive FOXL2 staining, supporting ectopic ovarian tissue.

Findings:

The presence of O-BOT in an inguinal lymph node suggests a rare presentation of ectopic ovarian tissue.
Differential diagnoses included primary retroperitoneal borderline tumor or nodal metastasis.
FOXL2 staining confirmed ovarian origin of the ectopic tissue.

Implications:

This case highlights the possibility of ovarian borderline tumors arising from ectopic ovarian tissue in lymph nodes.
It underscores the importance of thorough pathological examination to rule out primary ovarian malignancy.
The findings suggest that ectopic ovarian tissue in lymph nodes does not inherently increase neoplastic risk.