Labels:text | screenshot | black and white | black | document OCR: as are Microangioinvasive follicular carcinom s whose well-differentiated encapsulated tumour mas is the major histological difference from aden nen of presence of tumour tissue within the lu of bizarre capsular venous sinusoids. The presence of giant nuclei within the tumour, and also ation, doesoccasional mitoses and atypical different of not constitute malignancy in the absence ign and arevascular invasion; such tumours are ber described as 'atypical adenomas',