Webb1 juni 2005 · The cytopathologic diagnosis of MJG lesions is accurate; FNA biopsy can be used to subtype MJGs into 3 categories when clinicoradiologic features are known. We studied the practicality of issuing a cytologic diagnosis of myxoma/juxta-articular myxoid lesion/ganglion (MJG) by reviewing all fine-needle aspiration (FNA) biopsy specimens … WebbSmall stellate or spindled cells Mildly hyperchromatic but not pleomorphic No atypia, mitoses or necrosis May have microcystic appearing acellular areas Involves deep soft tissue 50% have intramuscular component Majority in extremities or limb girdles Grossly circumscribed, microscopically infiltrative Muciphages may be present No giant cells
Differential Diagnosis - Juxta-articular Myxoma - Surgical …
WebbAbstract Juxta-articular myxoma is a benign lesion usually presenting as a slow-growing, well-circumscribed mass. Occasionally, however, the lesion grows rapidly and is poorly circumscribed, and it is this clinical presentation that arouses suspicion of malignancy. Furthermore, on histology a myxoma can also be confused with a variety of sarcomas. Webb3 feb. 2007 · Grossly circumscribed, microscopically infiltrative. Generally hypocellular and hypovascular. Abundant myxoid matrix. Areas of increased cellularity and … dictionary pantry
Printable - Juxta-articular Myxoma - Surgical Pathology Criteria ...
Webbjuxta-articular myxoma knee (88%), elbow, shoulder, ankle, hip Histology spindle and stellate cells in myxoid stroma, sparse vasculature bland cytology: lack mitosis, necrosis subtypes classic myxoma cellular myxoma increased cellularity and vascularity Stains positive: vimentin variable: CD34, desmin, actin negative: S100 WebbThis article presents the case of a 63-year-old man who noted painless swelling within the suprapatellar pouch, which he attributed to an effusion. Small-magnet, lower … WebbAbstract We describe 65 cases of juxta-articular myxoma (JAM) that occurred in the vicinity of large joints, possessed histologic features of a myxoma, and were frequently associated with cystic changes that resembled a ganglion cyst. dictionary pantheon