Malignant Mesenchymoma, also known as malignant mesenchymal tumor, is related to gallbladder sarcoma and leiomyosarcoma. An important gene associated with Malignant Mesenchymoma is MYOG (Myogenin), and among its related pathways/superpathways are Mesenchymal Stem Cells and Lineage-specific Markers and Myogenesis. The drugs Aprepitant and Efavirenz have been mentioned in the context of this disorder. Affiliated tissues include t cells and uterus, and related phenotype is muscle.