What question did this study set out to answer?

To discuss the relationship between Pancoast syndrome and small-cell lung carcinoma.

May 13, 2026Open Access

Pancoast Syndrome and Middle Ear Mass as the First Manifestation of Small‐Cell Lung Carcinoma: A Case Report

MKMotahhareh KarimoddiniMashhad University of Medical Sciences ZBZahra BehroozniaMashhad University of Medical Sciences ABAmir BaniasadMashhad University of Medical Sciences

Key Points

To discuss the relationship between Pancoast syndrome and small-cell lung carcinoma.
Case report of a 54-year-old man with shoulder pain and arm weakness.
Patient presented with a middle ear mass leading to SCLC diagnosis.
Comprehensive diagnostic approach used for assessment.
Patient diagnosed with small-cell lung carcinoma at the lung apex.
SCLC presented as a rare cause of Pancoast syndrome.
Emphasized need for consideration of SCLC in Pancoast syndrome diagnosis.

Abstract

Key Clinical Message Small‐cell lung carcinoma (SCLC) is a rare cause of Pancoast syndrome. We present a 54‐year‐old man with shoulder pain, arm weakness, and a middle ear mass, leading to a diagnosis of SCLC at the lung apex. This case highlights the importance of considering SCLC in the differential diagnosis of Pancoast syndrome. Early recognition and a comprehensive diagnostic approach are crucial for optimizing patient outcomes.

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