A text-book on diseases of the ear, nose and throat . TUMORS OF THE NASOPHARYNX. 455 noted, also a few of papilloma. Cysts of the nasopharynx are found inthe region of the bursa pharyngea. are of the retention variety, and havebeen considered under chronic rhinopharyngitis. MALIGNANT TUMORS OF THE NASOPHARYNX. Primary malignant growths of the nasopharynx are very rare. Sec-ondary carcinoma is less infrequent, as epithelioma of the tonsil and softpalate often invades the ijostnasal space. Pathology.—Both sarcoma and carcinoma are found in the naso-pharynx. Sarcoma is of the spindle-celled or of
A text-book on diseases of the ear, nose and throat . TUMORS OF THE NASOPHARYNX. 455 noted, also a few of papilloma. Cysts of the nasopharynx are found inthe region of the bursa pharyngea. are of the retention variety, and havebeen considered under chronic rhinopharyngitis. MALIGNANT TUMORS OF THE NASOPHARYNX. Primary malignant growths of the nasopharynx are very rare. Sec-ondary carcinoma is less infrequent, as epithelioma of the tonsil and softpalate often invades the ijostnasal space. Pathology.—Both sarcoma and carcinoma are found in the naso-pharynx. Sarcoma is of the spindle-celled or of the more malignant Fig. 4 J Round-celled sarcoma of nasal cavity and nasopharynx. (Stoerk.) a, vault of pharynx ; 6, sphe-noidal sinus ; c, body of sphenoid bone; d, spinal column ; e, hard palate pierced by tumor; /, uvuladisplaced forward. round-celled type. A third variety of malignant growth verj seldomfound and mentioned among nasal malignant tumors is has also at times, though very rarely, its seat in the commonest place of origin for all the types of malignant growths istlie vault of the pharynx in the region of the pharyngeal tonsil. Oc-casionally they have grown from the posterior and lateral walls of thenasopharynx. Carcinomata show their usual early tendency to ulceration as theyadvance and destroy the tissues in their path, so that tumor formationis less cliaracteristic than disintegration. Sarcomata are less i^rone toulcerate, but form large growths, which not only cause absorption of bony 456 DISEASES OF THE NOSE AND NASOPHARYNX. substance or other tissues, as
Size: 1623px × 1539px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidtextbookondi, bookyear1901
