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Nodular Sarcoidosis Masquerading as Cancer
Alexander J Sweidan1, Navneet K Singh1, Alexander Stein2
1Department of Internal Medicine, University of California, Los Angeles and St. Mary Medical Center Long Beach, Long Beach, CA, USA.
Summary
Nodular pulmonary sarcoidosis is a rare condition that can mimic lung cancer. This case highlights a large nodule, emphasizing the need for accurate diagnosis and treatment with corticosteroids.
Area of Science:
- Pulmonology
- Oncology
- Pathology
Background:
- Sarcoidosis is a multisystem inflammatory disease characterized by non-caseating granulomas.
- Nodular lung disease is an uncommon presentation of sarcoidosis, affecting 1.6% to 4% of patients.
- This manifestation can be mistaken for primary or metastatic lung neoplasms due to its radiographic appearance.
Observation:
- Radiographic nodules in this condition typically range from 1 to 5 cm.
- The presented case featured a significantly larger nodule, measuring up to 6 cm.
- Nodular sarcoidosis is characterized by coalescent granulomas.
Findings:
- Nodular sarcoidosis presents a diagnostic challenge, mimicking malignant pulmonary nodules.
- Limited data exists on this specific sarcoidosis subtype.
- The case underscores the variability in nodule size.
Implications:
- Accurate differentiation from lung neoplasms is crucial for appropriate patient management.
- Nodular sarcoidosis generally carries a favorable prognosis.
- Treatment with oral corticosteroids can lead to resolution of pulmonary nodules.
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