Diagnostic problems in a case of the pyriform sinus carcinoma in a man
Journal Title: Otolaryngologia Polska - Year 2008, Vol 62, Issue 4
Abstract
Despite a use of many diagnostic tools to assess the stage of the carcinoma of hypopharynx and larynx various problems can still arise. A 45 years old man was admitted with an initial diagnosis of carcinoma of the hypopharynx with metastases to neck lymphnodes (Tin situ N1). Computed tomography of the neck revealed pathologic remodeling of the thyroid cartilage. An oncologist decided to commence a chemotherapy. After 4 cycles of chemotherapy a second CT scan revealed a suspected neoplastic infiltration of the cricoid and thyroid cartilages. After that the patients was disqualified from both radio- and chemotherapy. The consulting laryngologist did not fi nd any pathologies in the larynx and hypopharynx. On palpation there were no enlarged neck lymph nodes. The second specimen taken from the right pyriform sinus was a loosen fragment of the epithelium with the Ca male differentiatum G3. The positron emission tomography imaging found a suspected site 11 mm in diameter situated in front of the carotid vessels. The neoplastic infiltration of the larynx was not confi rmed. The patient started the radiotherapy. We are of the opinion that in the presented case the erroneous interpretation of the CT scan was a likely consequence of the improper setting of a window of brightness and contrast. Strong artifacts are also observed in 3D imaging. Another cause of the diagnostic problems could stem form an unfi nished calcifi cation of the cartilages which produced an image of irregular areas of calcifi cation and rarely diagnosed T in situ in a pyriform sinus.
Authors and Affiliations
Joanna Zimmer-Nowicka, Dariusz Kaczmarczyk, Cezary Chudobiński, Robert Kubiak, Izabela Niedźwiecka, Alina Morawiec-Bajda
Keywords
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