Eosinophilic Granuloma

by | Oct 3, 2025 | Bone Tumors

General Information This is a benign proliferation of Langerhans cells usually accompanied with eosinophils, lymphocytes, neutrophils and scattered plasma cells. There may be solitary or multiple lesions confined to bone 70% of cases consist of a solitary lesion...

Enchondromatosis

by | Oct 3, 2025 | Bone Tumors, Malignant Chondroid

General Information Enchondromatosis is enchondral ossification or cartilage dysplasia.Occurs in two clinical disorders: Ollier’s Disease rare skeletal disorder Multifocal intramedullary proliferation of dysplastic cartilage Present in one bone or multiple bones with...

Enchondroma

by | Oct 3, 2025 | Bone Tumors

General Information Enchondroma is a benign indolent intramedullary hyaline cartilage neoplasm Accounts for 10% of all benign osseous tumors Limited growth, most lesions are less than 5 cm in maximal dimension Bones grow from a cartilaginous growth plate that...

Desmoplastic Fibroma

by | Oct 3, 2025 | Bone Tumors

GENERAL INFORMATION Desmoplastic fibroma is a benign but aggressive tumor composed of fibroblasts and myoblasts in heavily collagenized stroma. It’s a very rare tumor with slow growth  and produces collagen. It characterized also by aggressive...

Chordoma

by | Oct 2, 2025 | Bone Tumors

GENERAL INFORMATION • Chordomas were first described by Virshow in 1957 and named as Chordoma by Ribbert in the 1890s. • Slow growing malignant primary bone tumor• Originates from residual of undifferentiated notochordal remnants in nucleus...