myxoid tumors

Digital cases

 HPC:11366: Primitive myxoid mesenchymal tumor of infancy (PMMTI).
 PDX:11322
 JRC:2276 : Soft tissueas (thigh). Intramuscular myxoma.
 JRC:3186 : Peritoneum : Pseudomyxoma peritonei.
 JRC:10739 : Cutaneous neurothekeoma.
 JRC:14664 : Soft tissue, wrist: Neurothekeoma/ Nerve sheath myxoma.
 Circumscribed myxoid lesion of finger by Ed Euthman
 Neurothekeoma by Ed Euthman.

Definition: Tumors with myxoid background.

Types

 myxoma

• odontogenic myxoma
• intramuscular myxoma (#9777984#)
• nerve-sheath myxoma (perineurial myxoma) (#4091218#)

 myxoma of soft tissue Case PathDx #11322

• cellular myxoma of soft tissue (#11532040#)
   myxofibrosarcoma
   myxosarcoma

 nervous tumors

• myxoid neurofibroma
• myxoid nerve sheath tumour
• nerve sheath myxoma (neurothekeoma)

 angiomyxoma
 fibromyxoid sarcoma
 superficial acral fibromyxoma (#11486169#)
 acral myxoinflammatory fibroblastic sarcoma (#12536311#)

 myxoid leiomyoma
 myxoid chondrosarcoma
 myxoid liposarcoma
 botryoid-type of embryonal rhabdomyosarcoma
 myxoid malignant fibrous histiocytoma
 chordoma and parachordome
 chondromyxoid fibroma of bone
 primitive myxoid mesenchymal tumor of infancy (PMMTI) (HP.9635)
 myxoid variant of follicular dendritic cell sarcoma (#10196389#)
 myxoid melanoma (#11807440#, #9711669#)

References

 Ninfo V V, Montesco MC. Myxoid tumors of soft tissues: a challenging pathological diagnosis. Adv Clin Path. 1998 Apr;2(2):101-115. PMID: #10358337#

 Graadt van Roggen JF, Hogendoorn PC, Fletcher CD. Myxoid tumours of soft tissue. Histopathology. 1999 Oct;35(4):291-312. PMID: #10564384#

 Wakely PE Jr. Myxomatous soft tissue tumors: correlation of cytopathology and histopathology. Ann Diagn Pathol. 1999 Aug;3(4):227-42. PMID: #10459049#

 Mackenzie DH. The myxoid tumors of somatic soft tissues. Am J Surg Pathol. 1981 Jul;5(5):443-58. PMID: #6269445#