Dec 4, 2024 · Fibrous cortical defect (FCD) is a previously used term to describe non-ossifying fibromas smaller than 2-3 cm, displaying the same histology and features as the latter. Non-ossifying fibroma is now the recommended term per the WHO classification of soft tissue and bone tumors (5th edition) 6.

Jan 10, 2025 · Non-ossifying fibromas (NOF) are benign and generally self-limiting osteoclastic giant cell-rich bone tumors typically found in the metaphyses of long bones. They are classified as osteoclastic giant cell-rich bone tumors 1,2. NOFs account for the 'N' in the popular mnemonic for lucent bone lesions FEGNOMASHIC.

Mar 28, 2022 · 纤维骨皮质缺损（Fibrous cortical defect FCD/非骨化性纤维瘤（non-ossifying fibroma NOF）由骨髓结缔组织源性的良性肿瘤，无成骨活动。 本质上二者是同一种病变，只是发病部位和病灶大小有些不同。

Fibrous cortical defect (FCD) and non-ossifying fibroma (NOF) are benign lesions that occur with the presence of osteoclast-like multinucleated giant cells accompanied by fibroblast proliferation on pathological examination [1,2].

Sep 18, 2016 · fcd 与 nof 是同一疾病的不同表现或不同发展阶段，局限于骨皮质者为 fcd；病变位于骨髓腔内或位于骨皮质膨胀累及骨髓腔者为 nof。 一般来说，FCD 病变范围多小于 2 cm，而 NOF 病变多大于 3 cm。

Aug 23, 2017 · 1. fcd发病高峰4-8岁，nof发病高峰10-15岁。男女之比约2:1。临床可无症状（或偶被发现），为儿童病理性骨折的主要原因。 2. x线显示干骺端偏心性溶骨性病变，叶状非对称形态伴硬化性边缘，呈自发性消退。ct示透过性病变伴硬化性边缘。 3.

fcd 与 nof 是同一疾病的不同表现或不同发展阶段，局限于骨皮质者为 fcd；病变位于骨髓腔内或位于骨皮质膨胀累及骨髓腔者为 nof。 一般来说，FCD 病变范围多小于 2 cm，而 NOF 病变多大于 3 cm。

Sep 27, 2024 · Background: Fibrous cortical defect (FCD) and non-ossifying fibroma (NOF) are incidentally recognised and benign developmental lesions. The objective of this study was to ascertain the clinical manifestations and symptoms of FCDs/NOFs in children and adolescent patients, to characterise the lesions radiologically using X-ray and MRI techniques ...

Jun 1, 2023 · Fibrous cortical defect (FCD; also referred to as nonossifying fibroma [NOF] or nonosteogenic fibroma) was first described by Phemister in 1929. Sontag and Pyle reported a...

May 21, 2015 · nofは線維芽細胞の増生で構成される良性腫瘍で、良性の皮質内多房性で境界が明確な病変。 線維性皮質欠損(fibrous cortical defect(FCD))と呼ばれるものと同一疾患。