Management of unknown primary tumor
نویسندگان
چکیده
منابع مشابه
Management of unknown primary tumor.
A 37-year-old man is initially seen with a 4-month history of a gradually enlarging, painless rightsided neck mass. He denies any otalgia, dysphagia, odynophagia, hoarseness, fever, night sweats, or weight loss. His medical history is significant only for mild COPD, and he has smoked two packs per day for 20 years. He is married and is a right-handed police officer. Examination of the head and ...
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A 67 year old male at a regular checkup underwent esophagogastroduodenoscopy. On performing esophagogastroduodenoscopy, a lesion about 1.2 cm depressed was noted at the gastric angle. The pathology of the biopsy specimen revealed a well-differentiated adenocarcinoma. On performing an abdominal computed tomography (CT) scan & positron emission tomography-computed tomography (PET-CT) scan, no def...
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Cancer of unknown primary site represents approximately 3% to 5% of all new cancer diagnoses. Adenocarcinomas account for 60% of all unknown primary cancers and poorly differentiated carcinomas or adenocarcinomas, for 30%. Historically, the prognosis for most patients with unknown primary tumors has been poor, with survival often less than 6 months from diagnosis. Recent advances in diagnostic ...
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Carcinoid tumors are rare and slow growing malignancies derived from enterochromaffin cells. Two-thirds of carcinoid tumors arise in the gastrointestinal tract, and in 3% of these cases the primary site cannot be determined. Presenting symptoms depend on the location of the primary tumor but may be nonspecific, and in 13% of patients distant metastases are discovered on diagnosis. The classic c...
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Neck lymph node metastases from occult primary constitute about 5%-10% of all patients with carcinoma of unknown primary site. Metastases in the upper and middle neck (levels I-II-III-V) are generally attributed to head and neck cancers, whereas the lower neck (level IV) involvement is often associated with primaries below the clavicles. Diagnostic procedures include a careful clinical evaluati...
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ژورنال
عنوان ژورنال: Head & Neck
سال: 2003
ISSN: 1043-3074,1097-0347
DOI: 10.1002/hed.10287