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Malignant mixed mesodermal tumor presenting as metastatic lymph node adenosquamous cell carcinoma: a case report
1Department of Obstetrics and Gynecology, Veterans General Hospital-Taipei, Taiwan, ROC.
Summary
A solitary inguinal lymph node metastasis from an unknown primary cancer was diagnosed in a 52-year-old female. This finding suggests enlarged inguinal lymph nodes can indicate underlying pelvic malignancy requiring abdominal evaluation.
Area of Science:
- Gynecologic Oncology
- Surgical Pathology
- Diagnostic Imaging
Background:
- A 52-year-old female presented with a long-standing palpable left inguinal mass.
- Initial presentation was preceded by symptoms of abdominal distention and pain.
Observation:
- Ultrasound and MRI revealed a large left ovarian mass.
- A biopsy of the inguinal lymph node confirmed poorly differentiated adenosquamous cell carcinoma.
Findings:
- The patient was diagnosed with Stage IIIC malignant mixed mesodermal tumor (MMMT) due to inguinal lymph node metastasis.
- Metastasis was confined to the left ovary and a single left inguinal lymph node, with no retroperitoneal or intra-abdominal spread.
Implications:
- Enlarged inguinal lymph nodes may be an early indicator of pelvic malignancy.
- In cases of unknown primary adenosquamous carcinoma with inguinal metastasis, thorough abdominal evaluation is crucial.