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Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
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The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
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Cranial Bones: Superior and Posterior View01:14

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The superior view of the cranium shows the frontal and paired parietal bones.
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Bones of the Upper Limb: Radius01:09

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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
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Acro-osteolysis.

Anna Botou1, Athanasios Bangeas1, Ioannis Alexiou1

  • 1Department of Rheumatology and Clinical Immunology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41 110, Larissa, Greece.

Clinical Rheumatology
|November 1, 2016
PubMed
Summary
This summary is machine-generated.

Acro-osteolysis is bone loss in fingers and toes, often linked to circulation issues or nerve damage. Plain radiography remains the primary method for diagnosing this condition.

Keywords:
Digital ischemiaInfectionPsoriatic arthritisSystemic sclerosisTransverse acro-osteolysis

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Area of Science:

  • Orthopedics
  • Radiology
  • Rheumatology

Background:

  • Acro-osteolysis involves bone resorption in the distal phalanges of hands and feet.
  • It can manifest as terminal tuft or shaft involvement, including transverse or band acro-osteolysis.
  • Associated conditions include digital ischemia, calcinosis, neuropathy, and various systemic disorders.

Purpose of the Study:

  • To define acro-osteolysis and its clinical associations.
  • To highlight diagnostic modalities for acro-osteolysis.

Main Methods:

  • Review of literature on acro-osteolysis.
  • Analysis of radiographic findings in acro-osteolysis.

Main Results:

  • Acro-osteolysis affects the distal phalanges and is associated with diverse conditions.
  • Plain radiography is established as the gold standard for detection.

Conclusions:

  • Acro-osteolysis is a radiographic finding with a broad differential diagnosis.
  • Radiography is essential for accurate diagnosis of acro-osteolysis.