in cases which exhibited marked lymphocytic infiltrations in the thyroidal biopsy specimen , no apparent echoes or very low amplitude echoes were observed in the whole thyroid and in cases in which replacement with lymphocytic infiltration was observed in almost a half part of the thyroid , several sonolucent regions were observed in the thyroid and in cases in which lymphocytic infiltration or fibrosis was observed sporadically , low-amplitude and uniform echoes were observed in the whole or several regions of the thyroid .
C0193781
thyroidal biopsy
C0040132
thyroid