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A Paraneoplastic Leukemoid Reaction in Primary Lung Sarcoma.
Ali F Al Sbihi1, Nouraldeen Manasrah1, Farah M Al Haj2
1Internal Medicine, DMC (Detroit Medical Center) Sinai-Grace Hospital, Detroit, USA.
Cureus
|June 21, 2021
Summary
This case report highlights a rare instance of lung sarcoma, a malignancy often overshadowed by lung carcinoma. The patient presented with unusual symptoms including extreme leukocytosis and arm swelling, underscoring the diverse clinical presentations of pulmonary tumors.
Area of Science:
- Oncology
- Pulmonology
- Pathology
Background:
- Pulmonary malignancies are a significant cause of cancer-related mortality.
- Lung sarcomas are rare compared to lung carcinomas and can present with varied paraneoplastic syndromes.
- Early and accurate diagnosis of lung tumors is crucial for patient outcomes.
Observation:
- A 56-year-old male presented with a three-month history of dry cough, progressive dyspnea, and acute right arm swelling.
- Physical examination revealed extreme leukocytosis with a white blood cell count of 106,500 cells/mm³.
- Thoracic computed tomography (CT) identified a large, 14-cm irregular lung mass.
Findings:
- CT-guided biopsy confirmed the lung mass as a sarcoma.
- The patient's presentation included symptoms suggestive of paraneoplastic phenomena.
- Extreme leukocytosis in the context of a lung mass is an unusual finding.
Implications:
- This case emphasizes the importance of considering rare diagnoses like lung sarcoma in patients with pulmonary masses and atypical symptoms.
- The extreme leukocytosis may represent a paraneoplastic effect or a reactive process secondary to the tumor.
- Further research into the pathogenesis and management of lung sarcomas is warranted.
