Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12188/32382
Title: PSEUDOTUMOR FOLLOWING METALONPOLYETHYLENE TOTAL HIP ARTHROPLASTY A REPORT OF THREE CASES
Authors: Damjanovikj, Dejan 
Kamnar, Viktor 
Atanasov, Nenad 
Samardjiski, Milan 
Georgieva, Daniela 
Komnenovikj, Marina
Atanasovski, Igor
Asani, Durim
Zlateska, Aleksandra
Keywords: pseudotumor
total hip arthroplasty
metalonpolyethylene
Issue Date: Jun-2022
Publisher: Македонска асоцијација на ортопеди и трауматолози = Macedonian Association of Orthopedics and Traumatology
Journal: Македонски ортопедско-трауматолошки гласник = ACTA ORTHOPAEDICA ET TRAUMATOLOGICA MACEDONICA
Abstract: Introduction: One of the rare complications of the total hip arthroplasty are pseudotumors. They are defined as granulomatous or destructive cystic lesions with nonneoplastic and noninfective origin. Typically there is latent period of 2 to 15 years from the implantation of the endoprosthesis to the clinical manifestation of the lesion. Most common symptoms are pain, swelling and discomfort but also, loosening of the components of the endoprosthesis or compressive symptomatology can occur. Potential mechanisms of development of psudotumors are foreignbody reaction, hypersensitivity reaction and excessive wear debris reaction. Case reports: We report three cases of pseudotumors following metalonpolyethylene total hip arthroplasty. The first case is 76yearold women presented with pain and limited motion of the right hip, 18 years after the hip arthroplasty. The second case is 53yearold man presented with pain and swelling in the right trochanteric region, 21 years after the hip arthroplasty. The third case is 55yearold women presented with painless, large mass in the left proximal thigh, 13 years after the hip arthroplasty. All three patients were treated operatively with extirpation of the pseudotumor. Discussion: Patients with hip or groin pain, a mass, or a fluid collection following total hip arthroplasty should be carefully evaluated, especially for the presence of infection. Unfamiliarity with pseudotumors may lead clinicians and radiologists to misinterpret these masses as worrisome for malignancy. The management of pseudotumors is controversial since there is no clear consensus for optimal treatment or surveillance. Conclusion: The recognition of pseudotumor is very important considering the increasing number of surgical procedures and consequential postoperative complications. Pseudotumors are a rare but important complication occurring in hip replacement surgery using all different types of implants.
URI: http://hdl.handle.net/20.500.12188/32382
ISSN: 1409-8814
Appears in Collections:Faculty of Medicine: Journal Articles

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