Abstract
Glomus tumors derive from the glomus cell around arteriovenous anastomosis. These are rare tumors and when found are most common in the deep dermis of the extremities. In rarer cases still they have been reported to be found in the lung. These are most commonly incidental findings of solitary lesions of the lung with a pre-operative differential diagnosis of non-small cell carcinomas and carcinoids. Due to the rare nature of these tumors, they are rarely considered in the differential diagnosis and are also often misdiagnosed at the time of frozen section. We present three cases of glomus tumors of the lung with emphasis on the consideration of the method of diagnosis, histological findings and management.
Highlights
Glomus tumors are benign tumors arising from arteriovenous anastomoses which are frequently found in the deep dermis of the extremities
Ariizumi et al presented a case of glomus tumor of the lung and summarized the previous 32 cases described in literature [3]
Glomus tumors of the lung are very rare, often seen in younger, non-smoking patients encountered as an incidental finding
Summary
Glomus tumors are benign tumors arising from arteriovenous anastomoses which are frequently found in the deep dermis of the extremities. Ariizumi et al presented a case of glomus tumor of the lung and summarized the previous 32 cases described in literature [3]. This lesion was noted to be PET negative He is a fit lifelong non-smoker with good pre-operative lung function. He underwent an uncomplicated left sided video assisted wedge resection during which the frozen section suggested carcinoid with clear margins. Formal histology revealed a 15 mm nodule composed of spindle cell proliferation with oval band nuclei and indistinct cytoplasmic borders (Figure 1) It was negative for cytokeratin and neuroendocrine markers. Following the procedure he was followed up in an outpatient clinic setting and informed that no further treatment was required for this lesion
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