Metastatic squamous cell carcinoma of the lung masquerading as a soft tissue tumor

Carcinoma of lung can metastasize to any organ system; however, metastasis to skeletal muscles is extremely rare. A 63-year-old man, known case of pulmonary tuberculosis on treatment, presented with a painful swelling in his left leg. Examination revealed a 5.0 cm × 3.0 cm calf swelling, which on im...

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Bibliographic Details
Published in:Journal of cytology 2014-04, Vol.31 (2), p.117-118
Main Authors: Kaur, Rupinder, Kwatra, Kanwardeep Singh, Masih, Kanwal, Calton, Nalini
Format: Article
Language:English
Subjects:
Case Report
Cellular biology
Fine-needle aspiration cytology
lung cancer
skeletal muscle metastasis
Hypotheses
Metastasis
Muscles
Musculoskeletal system
Squamous cell carcinoma
Tuberculosis
Tumors
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Summary:Carcinoma of lung can metastasize to any organ system; however, metastasis to skeletal muscles is extremely rare. A 63-year-old man, known case of pulmonary tuberculosis on treatment, presented with a painful swelling in his left leg. Examination revealed a 5.0 cm × 3.0 cm calf swelling, which on imaging was suggestive of a soft tissue tumor. Fine-needle aspiration cytology of the swelling revealed it to be squamous cell carcinoma. Further investigations revealed a mass in the left lower lobe of the lung. Biopsies from both the lung lesion and calf swelling confirmed the diagnosis of squamous cell carcinoma of lung with metastasis to the calf muscle. The case is being presented because of its unusual presentation and rarity.
ISSN:0970-9371
0974-5165
DOI:10.4103/0970-9371.138693