Highlights a rare presentation of primary pulmonary anaplastic large cell lymphoma manifesting as the luftsichel sign on chest radiography.
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Rare primary pulmonary ALCL may mimic luftsichel sign; case report extends differential but leaves management implications open.
Primary pulmonary lymphomas are rare with primary pulmonary non-Hodgkin lymphoma accounting for only 0.3% of primary lung neoplasms. Of these, the large majority are made up of marginal zone B-cell lymphoma and diffuse large B-cell lymphoma. We present a case of a very rare primary pulmonary anaplastic large cell lymphoma presenting as the luftsichel sign on chest radiograph. Pertinent imaging and pathology findings are discussed.
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Ende et al. (2018) studied this question.
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