What Is a Teratoma? Teratomas are rare tumors that contain different types of tissues such as bone, teeth, muscle, and hair. A teratoma may be cancerous or benign (noncancerous), depending on its ...

The histologic differential diagnosis would include pulmonary teratoma; however, pathogenic SMARCA4 variants were not detected in a large series of teratomas. 5 Furthermore, the levels of serum ...