Spondylolysis. A skeletal investigation of two population groups

Eisenstein, Steve

doi:10.1302/0301-620x.60b4.361744

Cited by 67 publications

(40 citation statements)

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“…Although genetic and racial factors may predispose an individual to spondylolysis [13,15,40], the most generally favored theory is that spondylolysis is a fracture caused by mechanical stress, and that the mode of failure is fatigue [6,7,21,29,41,50,51]. The mechanical etiology of this fatigue fracture is controversial, and many experimental studies have been carried out to determine the fatigue strength of the pars interarticularis and to delineate the movements causing failure [1,10,11,12,28,32].…”

mentioning

confidence: 99%

Nonoperative treatment of active spondylolysis in elite athletes with normal X-ray findings: literature review and results of conservative treatment

et al. 2001

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mentioning

confidence: 99%

Nonoperative treatment of active spondylolysis in elite athletes with normal X-ray findings: literature review and results of conservative treatment

et al. 2001

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“…Ásatag eszkimó vázakon 54%-ban fordul elő (Simper 1986), Nagy-Britannia területén az előfordulás gyakorisága 5% alatti (Eisenstein 1978). Józsa (1996) véleménye szerint a Kárpát-medencében élt népek körében ritkán fordult elő.…”

Section: Az Eredmények Megvitatásaunclassified

Palaopathological investigation of an Árpádian Age series from Kaposvár road 61, Site 2.

Németh¹,

Gallina²,

Varga³

et al. 2015

Anthrop Közl

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Bevezetés és célkitűzésA Dél-Dunántúlról és különösen a mai Somogy megye területéről csak nagyon kisszámú Árpád-kori embertani sorozat ismert. Éry (1982) tanulmányában az Árpád-kori Kárpát-medencéből 18 szériát vont be a kraniometriai összehasonlításba. Ezek közül -a Kis-Balaton régióját (Zalavár-Kápolna; Wenger 1970) nem ideszámítva -mindössze egyetlen sorozatot, a kérpusztait (Nemeskéri és mtsai 1953) tárták fel a Balatontól délre eső területről. Ezért Éry (1982) tanulmányában az Árpád-korból kizárólag a Nyugat-és a Kelet-Dunántúlról tudott csoportokat kialakítani, a Dél-Dunántúlról nem. Éry eredményei szerint a dunántúli népességekre a tisztán europid karakter, valamint a gyakori hosszúfejűség a jellemző. Somogy megyéből Kiszely (1978) ismertette a somogyvári

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“…Unilateral spondylolysis is considered to be rare, and it accounts for 3-33 % of all cases of spondylolysis [54]. Patients with unilateral spondylolysis can be symptomatic or asymptomatic.…”

Section: Unilateral Spondylolysismentioning

confidence: 99%

“…Spondylolisthesis associated unilateral spondylolysis seemed to be uncommon, and the degree of slippage was considered to be minimal. Cases of spondylolisthesis with unilateral spondylolysis accompanying a slippage ranging 3-8 mm has been reported [54], and Beutler et al showed unilateral spondylolysis without spondylolisthesis [22].…”

Section: Unilateral Spondylolysismentioning

confidence: 99%

Spondylolytic spondylolisthesis: various imaging features and natural courses

Nakayama

Ehara

2014

Jpn J Radiol

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with spondylolysis and the other with degeneration of facet joints and/or intervertebral disc. Many patients with spondylolysis remain asymptomatic and certain cases become symptomatic, with low back pain and, less commonly, radicular pain. Spondylolisthesis can also be asymptomatic, but may cause low back pain, spinal instability, and radiculopathy, which requires conservative and/or surgical treatment.The incidence of lumbar spondylolysis has been reported to be 8 % in the adult population [2], and it was variable among races and sexes. Sakai et al. [3] reported that the prevalence of lumbar spondylolysis among the Japanese population between 20 and 29 years of age, found by multidetector CT, was 5.9 %, with a male to female ratio of 2:1. Spondylolysis has never been seen in newborn babies: it is seen only after walking. The upright posture and bipedal position play a role in the development of spondylolysis [4]. The prevalence of lumbar spondylolisthesis was reported to be 20.7 % in the adult population, and spondylolysis without spondylolisthesis was relatively uncommon and was only seen at the lower lumbar level [5].Although bone defects of typical isthmic spondylolysis run obliquely through the pars interarticularis, and are well depicted on oblique lumbar radiography, atypical isthmic defects have been reported in several papers [6,7]. The pathomechanism and incidence of atypical isthmic defects is not well known, and the radiographic appearance of atypical isthmic spondylolysis has not been well recognized among radiologists. Other atypical spondylolyses included various types, and two variations have been reported in the literature [8][9][10]. Unilateral spondylolysis accounts for 3-33 % of all cases of spondylolysis and has been estimated to be approximately 3-7 % of the general population [11]. It may be associated with certain athletic activities, such as cricket, ballet, and gymnastics, and the association with Abstract The purpose of this paper is to review typical and atypical imaging features of spondylolytic spondyolisthesis and natural courses. Imaging features of the typical pars defect in early phase include bone marrow edema of the isthmus on MR imaging with progression of bone defect on plain radiography or CT. There are various defect types (pedicular cleft, retroisthmic cleft) and locations (upper lumbar spine and unilateral lesions). Natural courses also vary, with different patterns of progression and stabilization. Clinical correlation of the imaging and clinical features is often difficult.

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Spondylolysis. A skeletal investigation of two population groups

Cited by 67 publications

References 0 publications

Nonoperative treatment of active spondylolysis in elite athletes with normal X-ray findings: literature review and results of conservative treatment

Nonoperative treatment of active spondylolysis in elite athletes with normal X-ray findings: literature review and results of conservative treatment

Palaopathological investigation of an Árpádian Age series from Kaposvár road 61, Site 2.

Spondylolytic spondylolisthesis: various imaging features and natural courses

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