Malignant Schwannoma

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/məˈlɪɡnənt ˌʃwɑːˈnoʊmə/

S-100 protein was rare or absent in some malignant schwannoma. It was suggested that most of the cell components of these tumors were " dedifferentiated cells ", that have returned to their embryonic state lost the capability of synthesis of S-100 protein.
Seven cases of non epithelial malignant tumor of nasal sinuses were reported. Symptoms included malignant melanoma, 2 cases; Schwannoma, 2;
Results Both the 2 cases were misdiagnosed as other diseases before surgery ( 1 as the encapsulated tuberculous empyema, 1 as the malignant chest tumor ) and were convinced as the intercostal schwannoma by the pathology after surgery.

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