Skeletal Imaging Case Collection

A special issue of Reports (ISSN 2571-841X). This special issue belongs to the section "Orthopaedics/Rehabilitation/Physical Therapy".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 579

Special Issue Editor

Special Issue Information

Dear Colleagues,

The human skeleton is a vital structure with key mechanical and biological functions. It comprises around 270 bones at birth and 206 by adulthood—excluding accessory bones—as some bones fuse together, accounting for around 14% of the body's total weight. Separated into axial and appendicular sections, the human skeleton serves six main purposes: support, mobility, defense, blood cell production, mineral storage, and endocrine regulation.

Skeletal radiology is a wide and expanding discipline considered one of the key elements in the diagnostic workup of many medical conditions. Notably, the birth of skeletal imaging coincided with that of radiology, with Roentgen achieving the first radiography of a human hand in 1895. Nowadays, we have myriad technological approaches to imaging the human skeleton, with detailed anatomical, metabolic, and functional data available from radiological studies. This data means radiology is usually fundamental to assessing skeletal disease, sometimes being the sole diagnostic tool required.

This Special Issue aims to collect educative or rare cases focused on skeletal pathology, with submissions of classic 'case reports', ‘case series’, and 'interesting images' all welcome.

Dr. Paolo Spinnato
Guest Editor

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Keywords

  • bone and bones
  • rare diseases
  • bone tumors
  • bone sarcoma
  • osteosarcoma
  • ewing sarcoma
  • adamantinoma
  • conventional radiology
  • magnetic resonance imaging
  • computed tomography

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Published Papers (1 paper)

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5 pages, 733 KB  
Interesting Images
Double Posterior Cruciate Ligament Sign
by Christos Koutserimpas, Charalampos Matzaroglou, Konstantinos Kaliarntas, Evdokia Billis, Nikolaos-Achilleas Arkoudis, George Triantafyllou, Maria Piagkou and John Gliatis
Reports 2026, 9(2), 120; https://doi.org/10.3390/reports9020120 - 14 Apr 2026
Viewed by 299
Abstract
A 34-year-old male presented with persistent medial knee pain and mechanical symptoms three months after a rotational injury, with limited knee extension on examination. Magnetic resonance imaging demonstrated the double posterior cruciate ligament (PCL) sign, produced by a displaced bucket-handle tear of the [...] Read more.
A 34-year-old male presented with persistent medial knee pain and mechanical symptoms three months after a rotational injury, with limited knee extension on examination. Magnetic resonance imaging demonstrated the double posterior cruciate ligament (PCL) sign, produced by a displaced bucket-handle tear of the medial meniscus with the fragment lying anterior and parallel to the intact PCL within the intercondylar notch. Coronal sequences confirmed displacement and loss of normal meniscal configuration. Arthroscopy verified the diagnosis, and arthroscopic partial meniscectomy was performed due to chronic displacement and poor healing potential. Following structured rehabilitation, the patient returned to full athletic activity without symptoms at one-year follow-up. This case underscores the importance of recognizing the double PCL sign as a highly specific MRI finding enabling prompt diagnosis and appropriate management of displaced bucket-handle meniscal tears, while also highlighting its radiologic–arthroscopic correlation and the clinical implications of delayed presentation on treatment strategy, and provides a clear illustrative example of this classic imaging sign for educational purposes. Full article
(This article belongs to the Special Issue Skeletal Imaging Case Collection)
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