Vol 5 | Issue 2 | May-Dec 2019 | page: 02-04 | John Butarbutar, Rio Aditya, Prettysia Suvarly, Nyoman Aditya Sindunata
Author: John Butarbutar , Rio Aditya , Prettysia Suvarly , Nyoman Aditya Sindunata 
 Department of Orthopedic & Traumatology, Siloam Hospitals Lippo Village – Pelita Harapan University, Jl. Siloam No. 6, Lippo Karawaci 1600 Tangerang 15811, Indonesia.
 Clinical Researcher at Orthopedic & Traumatology Department, Siloam Hospitals Lippo Village – Pelita Harapan University, Jl. Siloam No. 6, Lippo Karawaci 1600 Tangerang 15811, Indonesia.
Address of Correspondence
Dr. John Butarbutar,
Department of Orthopedic & Traumatology, Siloam Hospitals Lippo Village – Pelita Harapan University, Jl. Siloam No. 6, Lippo Karawaci 1600 Tangerang 15811, Indonesia.
Background: About 10% of hip fractures are missed on initial presentation and potentially expose patients to increased morbidity and unnecessary complex surgeries. 2,3 CT-scan and MRI in the emergency settings have been proposed to avoid a misdiagnosis.3,6,7
Case Series: three cases (two female and one male patient) patients with hip pain were presented with normal x-ray on initial presentation. Further investigation using CT-scan and MRI revealed femoral neck fractures.
Case 1 : A 77 years-old female presented with right hip pain after a ground-level fall. Plain radiograph was normal and the patient was discharged from emergency. One week later, her hip pain worsened and a follow up x-ray showed a displaced femoral neck fracture. The fracture then treated with bipolar hemiarthroplasty.
Case 2 : An 87 years-old female presented with left hip pain after a fall in the bathroom. She was able to bear weight. Initial hip x-ray appeared normal. Further investigation with a pelvic CT scan revealed a displaced femoral neck fracture.
Case 3 : A 49 years-old male presented with worsening right hip pain since more than a week. The patient was physically active and has no history of trauma or associated hip injury. Initial x-ray showed a normal hip but further imaging study using MRI revealed an undisplaced femoral neck fracture. The patient was treated conservatively as he refused to do surgery.
Conclusion: Traumatic hip pain with negative plain radiograph should be followed by MRI or CT -scan to avoid misdiagnosis.
Keywords : Occult hip fracture, Missed hip fracture, Femoral Neck Fracture, Elderly patient
1. B. Gullberg, O. Johnell and J. Kanis, “World-wide projections for hip fracture,” Osteoporosis International, vol. 7, no. 5, pp. 407-13, 1997.
2. O. Lubovsky, M. Libergall, Y. Mattan, Y. Weil and R. Mosheiff, “Early diagnosis of occult hip fractures,” Injury, vol. 36, no. 6, pp. 788-92, 2005.
3. J. Cannon, S. Silvestri and M. Muntro, “Imaging choices in occult hip fracture,” The hournal of emergency medicine, vol. 37, no. 2, pp. 144-52, 2009.
4. W. Brox, K. Roberts and S. Taksali, “The American academy of orthopaedic surgeons evidence-based guideline on management of hip fracture in the elderly,” Journal of Bone and Joint Surgery, vol. 97, pp. 1196-9, 2015.
5. N. Yoshida, Y. Komaru and Y. Tsuchida, “Occult femoral neck fracture,” Case reports, vol. 2017, 2017.
6. S. Gill, J. Smith, R. Fox and C. T, “Investigation of occult hip fractures : the use of CT and MRI,” The scientific world journal, vol. 2013, pp. 1-4, 2013.
7. D. Collin, D. Dunker, J. Gothlin and M. Geijer, “Observer variation for radiography, computed tomograpy, and magnetic resonance imaging of occult hip fractures.,” Acta Radiologica, vol. 52, no. 8, pp. 871-4, 2011.
8. C. Wei, W. Tsai, C. Tiu, H. Wu and H. Chiou, “Systematic analysis of missed extremity fractures in emergency radiolgy,” Acta Radiol, vol. 47, pp. 710-7, 2006.
9. B. Yun, M. Myriam Hunink, A. Prabhakar, M. Heng, R. Qudsi and A. Raja, “Diagnostic imaging strategies for occult hip fractures : a decision and cost-effectiveness analysis,” Academic Emergency Medicine, vol. 23, no. 10, pp. 1161-9, 2016.
10. F. Frihagen, L. Norsletten, R. Tariq and J. Madsen, “MRI diagnosis of occult hip fractures,” Acta Orthop, vol. 76, no. 4, pp. 524-30, 2005.
11. R. Pandey, E. McNally, A. Ali and C. Bulstrode, “The role of MRI in the diagnosis of occult hip fractures,” Injury, vol. 29, pp. 61-3, 1998.
12. M. Haubro, C. Stougaard, T. Torfing and e. al, “Sensitivity and specificity of CT and MRI scanning in evaluation of occult fracture of the proximal femur,” Injury, vol. 46, pp. 1557-61, 2015.
|How to Cite this article: Butarbutar J, Aditya R, Suvarly P, Sindunata N A. | A Case Series of Occult Femoral Neck Fracture, Why Plain Radiograph is not Enough? | Trauma International | May-Dec 2019; 5(2): 02-04.