Soft Tissue Squamous Cell Carcinoma in Chest Wall with an Incomplete Border Sign

Tatsuo Kimura, Shinzoh Kudoh, Yoshihiro Tochino, Toyoki Kodama, Saeko Matsumura, Kazuto Hirata


Squamous cell carcinoma (SCC) of the soft tissue in chest wall from an unknown primary site is extremely rare. We report a case with soft tissue metastasis with histology of SCC to chest wall with an incomplete border sign in chest radiography. Chest radiography revealed a radio-opaque lesion in the left lung field. Computed tomography (CT) detected the mass under the musculus pectoralis major invading the left 2nd - 6th ribs with increase in pleural thickness. Careful radiological observations, including chest radiography and CT, may aid the diagnosis and planning of treatments.

J Med Cases. 2011;2(1):31-33


Chest wall; Incomplete border sign; Unknown primary; Squamous cell carcinoma

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