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Objective: To describe an extremely rare case of spontaneous pulmonary torsion in a patient with no history of trauma or thoracic surgery and to discuss its clinical significance. Materials and Methods: We analyzed the case of a 56-year-old female patient presenting with sudden chest pain. Diagnosis was aided by physical examination, computed tomography (CT), and video-assisted thoracoscopy (VAT). Results: The VAT revealed an infarction of the lower lingular segment due to pulmonary torsion, leading to a successful segmental resection of the lingula without complications. Discussion: Spontaneous pulmonary torsion is rare and usually associated with underlying conditions such as pneumothorax, atelectasis, infections, pleural effusion, congenital anomalies, or neoplasms. This case is notable for the absence of such antecedents, although a concurrent viral infection was detected. Timely diagnosis and treatment are critical due to potential life-threatening complications. Conclusion: We present an unusual case of spontaneous pulmonary torsion. Despite its rarity, it is essential to consider it in the differential diagnosis of acute chest pain. [ABSTRACT FROM AUTHOR]