Items tagged “bone”

59 results found
Article

Os subfibulare

Os subfibulare is an accessory ossicle that lies at the tip of the lateral malleolus of the ankle and is rarely reported 1. Clinical presentation Os subfibulare are usually asymptomatic although they may eventually cause painful syndromes or degenerative change in response to overuse and traum...
Article

Os subtibiale

An os subtibiale is a rare, genuine accessory ossicle and normal variant related to the posterior colliculus of the medial malleolus 1. It is present in ~1% of the population 5.  Clinical presentation They usually are asymptomatic although they may eventually cause painful syndromes or degener...
Case

Parosteal osteosarcoma

 Diagnosis certain
Dr Ahmed Abdrabou
Published 01 Apr 2013
86% complete
MRI
Article

Accessory superior acetabular notch

An accessory superior acetabular notch is a normal variant of the acetabulum, which can be seen on radiographs. It may lead to diagnostic confusion, especially in younger patients.  Radiographic features MRI appear as bilateral symmetric fluid-filled pits in the roof of the acetabulum with sh...
Case

Bony metastasis from small cell lung carcinoma

 Diagnosis almost certain
Dr Mahomed A. Osman
Published 12 Apr 2013
79% complete
X-ray
Case

Osteopetrosis (primary)

 Diagnosis certain
Dr Maxime St-Amant
Published 14 Apr 2013
75% complete
X-rayCT
Case

Secondary hyperparathyroidism

 Diagnosis almost certain
Dr Ahmed Abdrabou
Published 06 May 2013
68% complete
CT
Case

Myelofibrosis

 Diagnosis almost certain
A.Prof Frank Gaillard
Published 27 May 2013
68% complete
X-rayCT
Article

Os hamuli proprium

The hook of the hamate has its own ossification center, which may fail to fuse with body of the hamate, creating an ossicle. This ossicle is reffered to as an os hamuli proprium or unfused hamulus  In some instances, this can be difficult to distinguish from a fracture of the hook, but is sugge...
Case

Giant cell tumor

 Diagnosis probable
Dr Iqbal Naseem
Published 05 Jun 2013
66% complete
X-ray
Case

Diffuse bony metastases from breast cancer

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 07 Jun 2013
62% complete
CT
Case

Osteomyelitis - post amputation

 Diagnosis almost certain
Dr Maulik S Patel
Published 21 Jun 2013
65% complete
X-rayUltrasound
Case

Osteitis pubis

 Diagnosis almost certain
Dr Augusto César Vieira Teixeira
Published 23 Jun 2013
71% complete
CT
Article

Accessory ossicles of the wrist (mnemonic)

Accessory ossicles of the wrist can be easily recalled with the mnemonic: LOTTEO 1 HOTELS Mnemonic LOTTEO L: lunula O: os styloideum (carpal boss) T: (os) triangulare T: (os) trapezium secondarium E: (os) epilunate O: os hamuli proprium HOTELS H: (os) hamuli proprium O: os triangula...
Article

Accessory ossicles of the wrist

Accessory ossicles of the wrist are commonly seen on plain radiographs of the wrist and associated cross-sectional imaging. Over 20 were originally described 2, although the more common include 1: lunula: between TFCC and triquetrum os styloideum (carpal boss): on dorsal surface of 2nd or 3rd ...
Case

Periosteal reactions

 Diagnosis not applicable
Dr Roberto Schubert
Published 08 Jul 2013
29% complete
Diagram
Article

Multipartite hallux sesamoid

Multipartite hallux sesamoids are a commonly seen normal variant, present in up to 33% of hallux sesamoids. They are more commonly bipartite than tripartite.  The medial (tibial) sesamoid is more likely to be multipartite than the lateral (fibular) sesamoid because it more commonly has more tha...
Article

Angiosarcoma (bone)

Angiosarcoma of bone is a malignant vascular tumor of bone. These are rare and account for less than 1% of malignant bone tumors. The majority of these tumors arising in bone are primary; however, a tiny percentage is either radiation-induced or associated with bone infarction Epidemiology Mos...
Case

Bone terminology diagram

 Diagnosis not applicable
Dr Matt Skalski
Published 17 Jun 2014
29% complete
Diagram
Case

Paget disease: with blade of grass sign

 Diagnosis certain
Dr Andrew Dixon
Published 03 Aug 2014
89% complete
X-rayCTMRINuclear medicineAnnotated image

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