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3 results

  • Clavicle fracture with osteomyelitis after neck dissection and post-operative radiotherapy: case report

  • R Shodo, Y Sato, H Ota, A Horii
  • Journal:
    The Journal of Laryngology & Otology / Volume 131 / Issue 11 / November 2017
    Published online by Cambridge University Press:
    15 August 2017, pp. 1026-1029
    Print publication:
    November 2017
  • Background:

    Non-traumatic bone fractures in cancer patients are usually pathological fractures due to bone metastases. In head and neck cancer patients, clavicle stress fractures may occur as a result of atrophy of the trapezius muscle after neck dissection in which the accessory nerve becomes structurally or functionally damaged.

    Case report:

    A 71-year-old man underwent modified radical neck dissection with accessory nerve preservation and post-operative radiotherapy for submandibular lymph node metastases of tongue cancer. Four weeks after the radiotherapy, a clavicle fracture, with osteomyelitis and abscess formation in the pectoralis major muscle, occurred. Unlike in simple stress fracture, long-term antibiotic administration and drainage surgery were required to suppress the inflammation.

    Conclusion:

    As seen in the present patient, clavicle stress fractures may occur even after neck dissection in which the accessory nerve is preserved, and may be complicated by osteomyelitis and abscess formation owing to risk factors such as radiotherapy, tracheostomy and contiguous infection.

  • Rib fracture in Prognathodon saturator (Mosasauridae, Late Cretaceous)

  • A.S. Schulp, G.H.I.M. Walenkamp, P.A.M. Hofman, B.M. Rothschild, J.W.M. Jagt
  • Journal:
    Netherlands Journal of Geosciences / Volume 83 / Issue 4 / December 2004
    Published online by Cambridge University Press:
    01 April 2016, pp. 251-254
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  • Two unusual bumps occur on the internal surface of a rib of the marine reptile Prognathodon saturator from the Upper Cretaceous (Maastrichtian) of Maastricht, The Netherlands. These bumps are interpreted as stress fractures, possibly related to agonistic behaviour.