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- W2890117194 abstract "Primary sarcomas of the larynx are rare and miscellaneous. The most common is chondrosarcoma. Other sarcomas are very rare. Sarcomas can have heterogeneous morphologic features of spindle, small round, epithelioid, pleomorphic and giant cells. Laryngeal sarcomas may mimic carcinomas, lymphomas, small cell carcinoma, mesothelioma and melanoma. This imposes diagnostic challenges for unfamiliar pathologists particularly in small laryngeal biopsies. Our aim was to study the different types of sarcomas that can involve the larynx in our institution, to investigate their diagnostic challenges and potential pitfalls and to find helpful histologic clues to avoid misinterpretation and missed diagnosis. We performed a retrospective review study over 13 years. We retrieved 5 cases of laryngeal sarcomas. They included Kaposi sarcoma, low-grade chondrosarcoma, epithelioid angiosarcoma, polypoid leiomyosarcoma and small cell osteosarcoma. The age range was between 32 and 74 years with an average age of 52 years. The male to female ratio was 3:2. The Kaposi sarcoma and chondrosarcoma were correctly diagnosed. The angiosarcoma was initially missed as recurrent carcinoma. The leiomyosarcoma was initially inferred as polypoid sarcomatoid squamous cell carcinoma. The small cell osteosarcoma initiated the differential diagnosis of high-grade lymphoma, small cell carcinoma, undifferentiated carcinoma, Ewing sarcoma and rhabdomyosarcoma. An implementation of a panel of immunohistochemical markers guided by certain histomorphologic clues was helpful to make the correct diagnosis. Pathologists should be aware of the morphologic spectrum and different growth patterns of laryngeal sarcomas. Immunohistochemistry studies are essential. Correct diagnosis, classification and grading of laryngeal sarcomas are clinically important for the prognosis and appropriate management of patients." @default.
- W2890117194 created "2018-09-27" @default.
- W2890117194 creator A5003213726 @default.
- W2890117194 creator A5060932841 @default.
- W2890117194 date "2018-12-01" @default.
- W2890117194 modified "2023-09-24" @default.
- W2890117194 title "Laryngeal sarcomas: A case series of 5 cases" @default.
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- W2890117194 doi "https://doi.org/10.1016/j.anndiagpath.2018.09.007" @default.
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