Teratoma differential diagnosis

Diseases with similar symptoms
Different locational teratomas show different symptoms and signs.

Teratoma in genital gland needs to differ from
 * Ovarian cancer
 * Ovarian cysts

Mediastinal teratoma needs to differ from
 * Thymoma
 * Lung cancer

Sacrococcygeal teratoma needs to differ from
 * Meningocele