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16 Possible Causes for Handlebar Clavicles

  • Jeune Syndrome

    Features include: Skeletal thoracic short narrow elongated chest shape (can be bell-shaped): may be seen as a narrow fetal thorax antenatally high riding clavicles (" handlebar[radiopaedia.org] clavicles lacunar skull dysplastic pelvis (pelvic dysplasia) small pelvis hypoplastic iliac wings (infancy) rident acetabular roofs early ossification of capital femoral[humpath.com] clavicles Pectus carinatum (pigeon chest) Trident acetabulum (see line A in x-ray at top right) Polydactyly in a minority of patients (extra fingers or toes) Spinal curvature[forgottendiseases.org]

  • Asphyxiating Thoracic Dysplasia

    Features include: Skeletal thoracic short narrow elongated chest shape (can be bell-shaped): may be seen as a narrow fetal thorax antenatally high riding clavicles (" handlebar[radiopaedia.org] The clavicles demonstrate a “handlebar” appearance.[radiologykey.com] […] bicycle handlebar shape”), a pelvic pathology with small ilia, irregularities of the acetabulum (“trident shape”) as well as cone-shaped epiphyses of the hands [ 1 ].[doi.org]

  • Schneckenbecken Dysplasia

    Additional findings include handlebar clavicles, a hypoplastic scapula, generalized platyspondyly with small, rounded vertebral bodies, very short long bones with relatively[ncbi.nlm.nih.gov] The radiographic findings were characteristic for Schneckenbecken dysplasia and included midface hypoplasia, handlebar clavicles, short ribs, hypoplastic vertebrae with rounded[ncbi.nlm.nih.gov]

  • Acromioclavicular Separation

    This injury occurs when the collarbone (clavicle) separates from the shoulder blade (acromion) (F.1).[doctorhackett.com] […] separation (AC separation), or shoulder separation, is a very frequent injury among active people, especially football or hockey players, and cyclists who fall over their handlebars[doctorhackett.com]

  • Spondylocostal Dysostosis

    […] bicycle handlebar shape”), a pelvic pathology with small ilia, irregularities of the acetabulum (“trident shape”) as well as cone-shaped epiphyses of the hands [ 1 ].[doi.org] Other typical radiographic features are long, metaphyseal irregularities, short long bones involving predominately the lower extremities, abnormalities of the clavicles (“[doi.org]

  • Saldino-Noonan Syndrome

    clavicles Pectus carinatum (pigeon chest) Trident acetabulum (see line A in x-ray at top right) Polydactyly in a minority of patients (extra fingers or toes) Spinal curvature[forgottendiseases.org] The clinical course was dominated by abnormal bone development with a small thorax due to reduced rib length, handlebar clavicles, scoliosis, and shortened long bones, particularly[omim.org] Musculoskeletal problems that occur in Jeune syndrome include the following: Musculoskeletal problems in JATD Short ribs Narrow chest Short iliac bones Horizontally oriented ribs Handlebar-shaped[forgottendiseases.org]

  • Shoulder Sprain

    Most commonly, it occurs when a person lands on the point of the shoulder, driving the shoulder blade down relative to the clavicle.[healthcentral.com] Patients often tell of being thrown over the handlebars when bicycling, being tackled while playing football, or being upended while skiing.[healthcentral.com]

  • Short Rib-Polydactyly Syndrome

    clavicles Very short, variably bent ribs, handlebar clavicles Gastrointestinal Liver with ductal abnormalities, pancreas with stellate area of fibrosis in the tail Malrotation[ciliajournal.biomedcentral.com] An 18-week gestational age fetus with short, narrow bent ribs, a bell-shaped chest, handlebar clavicles, curved humeri with short bent radii and ulnae, curved femurs, fibular[ciliajournal.biomedcentral.com] […] chest, short, bent and decreased number of ribs (11), vertebrae flattened and abnormally wedged with round anterior ends Narrow and barrel shaped chest, short and bent ribs, handlebar[ciliajournal.biomedcentral.com]

  • Ventriculomegaly with Defects of the Radius and Kidney

    Micromelia shortening of the entire limb TD1 Telephone receiver shaped extremities AsphyxiatingThoracixDysplasia Handlebar clavicles & renal dysplasia EllisVanCreveldSyndrome[studystack.com] " appearance of the clavicles, polydactyly EllisVanCreveldSyndrome high prevalence among inbred populations OI1 blue sclerae; most fractures occur from childhood to puberty[studystack.com] […] circumference; polydactyly; genitourinary abnormalities HeterozygousAchondroplasia brachydactyly, with a trident configuration of the hand AsphyxiatingThoracicDysplasia inverted "handlebar[studystack.com]

  • Short Rib-Polydactyly Syndrome Type Beemer-Langer

    clavicles Very short, variably bent ribs, handlebar clavicles Gastrointestinal Liver with ductal abnormalities, pancreas with stellate area of fibrosis in the tail Malrotation[ciliajournal.biomedcentral.com] clavicles Pectus carinatum (pigeon chest) Trident acetabulum (see line A in x-ray at top right) Polydactyly in a minority of patients (extra fingers or toes) Spinal curvature[forgottendiseases.org] An 18-week gestational age fetus with short, narrow bent ribs, a bell-shaped chest, handlebar clavicles, curved humeri with short bent radii and ulnae, curved femurs, fibular[ciliajournal.biomedcentral.com]

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