Labels:text | screenshot | black | font | black and white OCR: papillary Histology of the thyroid parenchyma in carcinomas shows an increased inciden ed to be an lymphocytic thyroiditis, usually conside e of focal frequency effect rather than a cause. In view of the as been of occult papillary microcarcinomas, it } inomas suggested that these might be in situ car e tumours that are sometimes promoted to invasi by unknown endogenous factors or by environmental factors, or by both. See also: Thyroid . Histology of Papillary Carcinoma of th