paraganglioman.

1914 Surg., Gynecol. & Obstetr. 18 209/1 Whenever a tumor of a paraganglion—a paraganglioma—is suspected, it should be fixed in a solution containing chromic acid or its salts.

1925 Amer. Jrnl. Anat. 34 89 By far the greater number of pathologists believe in a vascular origin for the growths of the carotid body... Some later workers would call these tumors ‘paragangliomas’.

1948 L. C. Martin & M. Hynes Clin. Endocrinol. vii. 144 Chromaffin tumours. These uncommon tumours include the phæochromocytomata which arise from chromophile cells of the adrenal medulla, and the paragangliomata which originate from chromaffin tissue in the intrathoracic cervical chain, the carotid bodies, or the organs of Zuckerkandl.

1956 H. M. Zimmerman et al. Atlas Tumors Nerv. Syst. 177/1 The term ‘paraganglioma’ is best used for the non-secretory and hence non-chromaffin tumors of the paraganglionic tissues.

1974 R. Passmore & J. S. Robson Compan. Med. Stud. III. i. xvii. 37/1 Glomus jugulare tumours. These are another example of non-chromaffin paragangliomata; they..grow in the connective tissue that lies between the bulb of the internal jugular vein and the floor of the middle ear.

2000 Amer. Jrnl. Pathol. 156 651 Pheochromocytomas and abdominal paragangliomas are rare, catecholamine-producing tumors that arise from the chromaffin cells derived from the neural crest.

1965 Jrnl. Clin. Pathol. 18 291/2 Medullary carcinoma may resemble various neural or paragangliomatous tumours.

2003 Amer. Jrnl. Surg. Pathol. 27 1280 A tumor with morphologic, immunohistochemical, and ultrastructural features of paragangliomatous, gangliocytic, and Schwann cell differentiation consistent with a gangliocytic paraganglioma.