21st European Congress of Pathology Istanbul, Turkey, September 08-13, 2007 http://www.ecp2007istanbul.org/ Slide Seminar 5, September 10th New and Controversial Entities of the New WHO Classification of Endocrine Tumors
Chairpersons: P. Komminoth (Switzerland), G. Rindi (Italy)
Case 5
Presented by: Prof. Paul Komminoth, Switzerland
Clinical History This 84 year old female patient presented with a 4.5 cm nodule of the right thyroid lobe. A previously performed fine needle examination revealed degenerative changes consistent with a cyst. The macroscopic examination revealed a polycyclic non-encapsulated ill-defined firm mass with yellow parts (necroses) until the resection boarder (the lesion reached into the surrounding connective tissue).
PAUCICELLULAR VARIANT OF ANAPLASTIC THYROID CARCINOMA
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