A myxoid tumor is a connective tissue tumor with a "myxoid" background, composed of clear, mucoid substance. Atrial myxoma high mag

This tumoral phenotype is shared by many tumoral entities: *

Myxoma A myxoma (New Latin from Ancient Greek, Greek 'mucus') is a myxoid tumor of primitive connective tissue. It is most commonly found in the heart (and is the most common primary tumor of the heart in adults) but can also occur in other locations ...

s **

Atrial myxoma A myxoma is a rare benign tumor of the heart. Myxomata are the most common primary cardiac tumor in adults, and are most commonly found within the left atrium near the valve of the fossa ovalis. Myxoma may also develop in the other heart chambers. ...

** Odontogenic myxoma **

Cutaneous myxoma A cutaneous myxoma, or superficial angiomyxoma, consists of a multilobulated myxoid mass containing stellate or spindled fibroblasts with pools of mucin forming cleft-like spaces. There is often a proliferation of blood vessels and an inflammatory ...

Intramuscular myxoma Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle. In medicine, it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles have ...

* Myxoid hamartoma * Aggressive angiomyxoma * Myxoid leiomyoma *

Chondromyxoid fibroma Chondromyxoid fibroma is a rare type of cartilage tumor which rarely occurs in the skull or skull base. Most cases are characterised by GRM1 The glutamate receptor, metabotropic 1, also known as GRM1, is a human gene which encodes the metabo ...

* Myxoid neurofibroma * Nerve sheath myxoma (

neurothekeoma A Neurothekeoma (NT) is a type of rare benign cutaneous tumor that usually develops on the head and neck. They often occur in the second and early third decades of life and tend to afflict women more frequently than men. First described by Richard ...

) * Myxolipoma *

Angiomyofibroblastoma Angiomyofibroblastoma is an uncommon benign mesenchymal tumor. It occurs mostly in the vulvovaginal area of women, but can also be observed in men. The World Health Organization, 2020, reclassified these tumors as a specific type of tumor in the ...

* Myxoid leiomyosarcoma *

Myxoid liposarcoma A myxoid liposarcoma is a malignant adipose tissue neoplasm of myxoid appearance histologically. Myxoid liposarcomas are the second-most common type of liposarcoma, representing 30–40% of all liposarcomas in the limbs, occurring most commonly ...

Lipoblastoma Lipoblastoma is a type of rare, subcutaneous, benign, fatty tumor, found in infants, and children, more common in males with tendency of local recurrence. Local recurrence can happen in up to 80% of incompletely resected tumours. Therefore, comp ...

* Myxofibrosarcoma * Myxoid cortical adenoma *

Pleomorphic adenoma Pleomorphic adenoma (or benign mixed tumor) is a common benign salivary gland neoplasm characterised by neoplastic proliferation of epithelial (ductal) cells along with myoepithelial components, having a malignant potentiality. It is the most comm ...

* Undifferentiated embryonal sarcoma * Plexiform angiomyxoid myofibroblastic tumor * Myxoid plexiform fibrohistiocytic tumor * Angiomyxolipoma ( vascular myxolipoma) * Parachordoma * Acral myxoinflammatory fibroblastic sarcoma

References

Tumoral phenotype {{neoplasm-stub