Bizarre paraosseale osteochondromatöse Proliferation der Metatarsalknochen

Hartog, Christoph; Centmaier-Molnar, Viviane; Patzwahl, René; Pfofe, Denis; Wiewiorski, Martin

doi:10.1007/s00132-016-3317-y

Cited by 3 publications

(2 citation statements)

References 20 publications

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“…Several studies have reported various surgical excision approaches. 3 , 5-7 , 9 , [13][14][15][16][17] First, simple excision (marginal excision) is widely known. 3 , 6 , 12 It is indicated for symptomatic BPOP cases and remains the preferred treatment for primary lesions.…”

Section: Discussionmentioning

confidence: 99%

Bizarre parosteal osteochondromatous proliferation of the femur: A case report

Takahashi

Matsuo

Kawanami

et al. 2018

Journal of Orthopaedics

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A 54-year-old man initially presented with left distal thigh pain during walking. Imaging analysis revealed a diffuse calcified or ossified mass adjacent to the medial cortex of the distal femur and absence of continuity with the medulla. We performed resection biopsy. Histological examination revealed a large amount of hypercellular cartilage showing transformation to trabecular bone and BPOP was diagnosed. Postoperative course was uneventful and he remained free of recurrence. The method of resection should depend on the stage of reactive proliferation and whether the lesion is pathologically immature or mature. We also provide a brief review of the literature.

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Section: Discussionmentioning

confidence: 99%

Bizarre parosteal osteochondromatous proliferation of the femur: A case report

Takahashi

Matsuo

Kawanami

et al. 2018

Journal of Orthopaedics

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“…1 Other exams, such as Computed Tomography (CT-Scan) or Magnetic Resonance (MRI), can give more detailed information in order to plan a correct therapeutic approach. 10 On MRI, Nora's lesion presents with bone cortex involvement without medullary involvement, periosteal reaction or soft tissue swelling. 11 However, the definitive diagnosis is given by the histopathological examination.…”

Section: Discussionmentioning

confidence: 99%

Nora’s Lesion: A Rare Tumor in the Pediatric Population

Campos¹

2017

MOJS

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Nora's lesion is a rare benign osteocartilaginous lesion characterized by a mixture of immature bone cells, atypical and bizarre cartilage cells and bland spindle cells. Its pathogenesis remains controversial and its associated signs and symptoms are variable. It is important to identify its clinical, radiological and histopathological characteristics to make the differential diagnosis with other benign or malignant diseases. There are important considerations regarding its diagnosis, which will guide treatment and follow-up. The primary treatment for Nora's lesion is surgical excision. Despite its high rate of local recurrence, the occurrence of metastasis was not reported. We present the case of an adolescent with the diagnosis of Nora's lesion located on the terminal phalanx of the first toe. Our aim is to alert for the existence of this condition in younger ages and in atypical locations and for the need to establish the differential diagnosis with other pathologies, providing the patient the most appropriate treatment.

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First presentation of a Nora-lesion of the talus in a paraossal fasciitis

Rottler¹,

Wilke²,

Kasper³

et al. 2019

Orthop Rev (Pavia)

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Nora-Lesion is a proliferation that normally develops out of an intact corticalis. The entity of this fibroostotic pseudotumor, as discussed in literature, is triggered from repeating trauma or reactive periosteitis. In the literature, there are more than 200 cases defined as Nora lesion. In the daily routine of medical offices or ambulances, the Nora- Lesion should be established as a differential diagnosis for a swelling of the foot. Our case report of a 49-year-old patient is the worldwide first description of a Nora lesion of the talus, as well as secondary of the calcaneus. In the immense differential diagnosis discussion for bony pathologies of the hindfoot the Nora-lesion should be now added.

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Bizarre paraosseale osteochondromatöse Proliferation der Metatarsalknochen

Cited by 3 publications

References 20 publications

Bizarre parosteal osteochondromatous proliferation of the femur: A case report

Bizarre parosteal osteochondromatous proliferation of the femur: A case report

Nora’s Lesion: A Rare Tumor in the Pediatric Population

First presentation of a Nora-lesion of the talus in a paraossal fasciitis

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