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Thyroid metastasis revealing a lung adenocarcinoma
Ahmed Ben Saad1, Saousen Cheikh Mhamed1, Asma Migaou1
1Pulmonology Department, Fattouma Bourguiba Hospital, Monastir, Tunisia.
Respiratory Medicine Case Reports
|June 4, 2020
Summary
Thyroid metastasis revealing primary lung cancer is rare. This case highlights the diagnostic challenges and poor prognosis associated with this uncommon presentation of lung adenocarcinoma.
Area of Science:
- Oncology
- Endocrinology
- Pulmonology
Background:
- Thyroid metastasis as a manifestation of primary lung cancer is exceptionally rare.
- Few documented cases exist, underscoring the diagnostic challenge.
Observation:
- A 50-year-old male presented with cervical nodules and thyroid nodularity.
- Fine-needle aspiration cytology revealed poorly differentiated adenocarcinoma.
- Cervical lymphadenopathy biopsy and imaging confirmed metastatic lung adenocarcinoma (Stage IVB).
Findings:
- The thyroid metastasis was the initial clinical presentation of advanced lung adenocarcinoma.
- Immunohistochemistry and advanced imaging were crucial for accurate diagnosis.
- The patient had a poor prognosis, succumbing shortly after diagnosis.
Implications:
- Emphasizes the need for a comprehensive diagnostic workup in cases of unexplained thyroid nodules.
- Highlights the importance of a multidisciplinary team approach for rare oncological presentations.
- Underscores the critical role of advanced diagnostic modalities in identifying metastatic disease.
