malignant osteoid

malignant osteoid

A histopathological change that is one of the defining characteristics of osteosarcoma.

Imaging
Fluffy radiodense infiltrates.
Mentioned in ?
References in periodicals archive ?
Clues to the appropriate malignant diagnosis include a more aggressive, infiltrative lesion on imaging studies, and the presence of nuclear atypia, atypical mitoses, and/or malignant osteoid production on histologic examination.
Chondroblastoma: An Update
There is abundant cartilage with focal endochondral ossification and trabeculae bone formation without malignant osteoid formation.
Bilateral Mesenchymal Hamartoma of the Chest Wall in a 3-Month-Old Boy: A Case Report and Review of the Literature
Osteosarcoma is a malignant primary tumor of bone consisting of malignant stroma with evidence of malignant osteoid, bone and cartilage formation (Spjut et al., 1971).
Maxillary osteosarcoma and its therapeutic management in a dog
Presence of malignant osteoid showing variable mineralization interspersed among the tumor cells.
Mandibular osteosarcoma
In non-productive osteoblastic osteosarcomas, areas of malignant osteoid tissue might be very difficult to found (5,7).
Intranasal osteosarcoma in a blood hound dog: computed tomography, cytological and histopathological findings/Osteossarcoma intranasal em um cao blood hound: achados tomograficos, citologicos e histopatologicos/Osteosarcoma intranasal en un perro blood hound: hallazgos en la tomografia computaruzada, citologia e histologia
The diagnosis of cutaneous osteosarcoma is made on the basis of the histologic Finding of disorderly dermal deposition of malignant osteoid and exclusion of a bony primary osteosarcoma and/or metastases.
Derm diagnosis
Moreover, the regularly spaced spicules of woven bone seen in FD are not present in osteosarcoma, where malignant osteoid is often deposited in broader and irregular trabeculae.
Nonneoplastic lesions that simulate primary tumors of bone

Medical browser ?
Full browser ?