Retrospective immunocytochemistry in a resected primary pulmonary sarcoma case highlighted the potential for misleading results that could suggest a secondary deposit.
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Immunostains risk misclassifying primary pulmonary sarcomas; case reports leave open the need for integrated diagnostics.
A case is presented of a successfully resected primary pulmonary sarcoma in a 27-year-old man, followed by an eight-year disease-free follow-up. Details of the histological findings are presented, and the factors associated with good prognosis discussed. Immunocytochemical stains were carried out this year when the case was reviewed, and not at the time of resection. Had the immunostains been available at the time, the results would have suggested that the tumour might be a secondary deposit, and so have caused needless anxiety to the patient and his physicians.
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Ridley et al. (1990) studied this question.
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