CytologicallyYoursUnknowns201311-23-01.jpgCytologicallyYoursUnknowns201311-23-02.jpgCytologicallyYoursUnknowns201311-23-03.jpg

* Follicular neoplasm)Papillary carcinoma. </spoiler>

* Ras mutation in 49%Rearrangements of Ret proto-oncogene on Chromosome 10 (RET/PTC). * PAX8-PPAR gamma rearrangements in 36%Point mutations of BRAF and RAS </spoiler>* <spoiler text="What other entities of the thyroid may exhibit intranuclear pseudoinclusions?">*Medullary carcinoma.</spoiler> ==Cytologic Features==*Powdery chromatin, grooves, pseudoinclusions, nucleolus*Crowding and overlapping*Sheets, papillae*Variable cytoplasm (scant, squamoid, Hurthle-like, vacuolated)*Psammoma bodies*Giant cells*Bubble gum colloid*Septated cytoplasm