Tag Archive for: pathologic fracture.

Pathologic Fractures Secondary to Primary Non-Hodgkin’s Lymphoma of Bone: A Report of Two Cases Treated with Surgery

Case Report | Volume 7 | Issue 3 | JBST September – December 2021 | Page 16-19 | Abigail R Tud, Celestine Marie G Trinidad. DOI:0.13107/jbst.2021.v07i03.61

Author: Abigail R Tud [1], Celestine Marie G Trinidad [2]

[1] Musculoskeletal Tumor Unit, Philippine Orthopedic Center, Quezon City, Manila, Philippines.

[2] Department of Pathology, Philippine Orthopedic Center, Quezon City, Manila, Philippines.

Address of Correspondence
Dr. Abigail R Tud,
Musculoskeletal Tumor Unit, Philippine Orthopedic Center, Quezon City, Manila, Philippines.
E-mail: abitud.pocmtu@gmail.com


Background: Primary lymphoma of bone (PLB) is a rare condition accounting for <2% of lymphomas among adults. Diagnosis is confirmed through clinical features, radiologic findings, and immunohistochemical studies. Treatment consists primarily of chemotherapy and radiotherapy. A lack of consensus remains, however, regarding the role of surgery on prognosis. Interventions with potential to improve quality of life therefore warrant further investigation. The authors report two cases of PLB treated with surgery, with favorable outcomes.
Case Presentation 1: A 21-year-old female presented with the left knee pain unaccompanied by constitutional symptoms. Imaging studies showed an isolated pathologic fracture of the left proximal tibia. Histopathology showed an atypical proliferation of large round cells, which stained diffusely and strongly positive for CD20. 90% of the cells also stained positive for the proliferation marker Ki-67. These findings were consistent with a high-grade B-Cell non-Hodgkin’s lymphoma (NHL). The tibial lesion was managed with direct fracture reduction and knee arthrodesis. Six cycles of chemotherapy were completed. Current Musculoskeletal Tumor Society (MSTS) score is 28/30, without evidence of recurrence 3 years post-surgery.
Case Presentation 2: A 69-year-old male sustained a pathologic subtrochanteric fracture after falling on his left hip. Diagnostic imaging revealed no other osseous lesions. Biopsy specimens showed a proliferation of atypical lymphoid cells, and on immunohistochemistry, these were diffusely and strongly positive for lymphocyte common antigen (CD45) and CD20. This was consistent with a high-grade B-Cell NHL. After proximal femoral nailing was performed, no further treatment was given. The patient is currently 2 years post-surgery with MSTS score of 28/30, and no signs of recurrence or metastases.

Conclusion: Current approach to treatment of PLB is multi-modal, but guidelines for surgical intervention are unavailable. Few reports have been made on outcomes after surgery. Pathologic fracture fixation is an option among select patients, affording satisfactory functional outcomes while minimizing morbidity.

Keywords: Knee resection arthrodesis, Non-Hodgkin’s lymphoma of bone, pathologic fracture, primary lymphoma of bone.


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How to Cite this article: Tud AR, Trinidad CMG | Pathologic fractures secondary to primary non-Hodgkin’s lymphoma of bone: A report of two cases treated with surgery. | Journal of Bone and Soft Tissue Tumors | Sep-Dec 2021; 7(3): 16-19.

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A Case Report of Solitary Bone Metastasis from Primary Angiosarcoma of the Bilateral Breasts – A Rare Diagnosis

Case Report | Volume 7 | Issue 1 | JBST January – April 2021 | Page 16-21 | Katrina Ysabel R Naraval, Daniela Kristina D. Carolino, Ma. Lilia Molina P. Jose. DOI: 10.13107/jbst.2021.v07i01.43

Author: Katrina Ysabel R Naraval[1], Daniela Kristina D. Carolino[1], Ma. Lilia Molina P. Jose[1], [2]

[1]Institute of Orthopaedics and Sports Medicine, St. Luke’s Medical Center, 279 E. Rodriguez Sr. Blvd., Quezon city 1112, Philippines,
[2]Orthopaedic Oncology section, Department of Orthopaedics, The Medical City Clark, Pampanga, Philippines.

Address of Correspondence
Dr. Katrina Ysabel R Naraval,
Institute of Orthopaedics and Sports Medicine, St. Luke’s Medical Center, 279 E. Rodriguez Sr. Blvd., Quezon city 1112, Philippines.
E-mail: khayanaraval@gmail.com


Introduction: Primary angiosarcoma of the breast is an uncommon subtype of soft-tissue sarcoma known to be aggressive and is associated with distant metastasis and poor prognosis. Solitary bone metastases occurring in these cases are even more rare with the available limited literature based from small retrospective case series.
Case Report: We present a case of a 24-year-old Filipino female previously diagnosed with primary angiosarcoma of the bilateral breasts, initially presenting with a 3-month history of the right hip pain and consulted due to a pathologic fracture of the right proximal femur. Diagnostic tests done confirmed solitary skeletal metastasis to this area, for which she underwent wide resection and application of a proximal femoral endoprosthesis. Postoperatively, the patient was able to independently ambulate, with follow-up radiographs showing stable implant fixation. Further imaging showed that lesion-free bones, however, noted development of distant recurrence manifesting with pulmonary metastases and hemorrhagic subcutaneous lesions 3 months after. Adequate tumor resection and radiotherapy are reported to successfully treat isolated skeletal metastasis in the proximal femur. The presence of the pathologic fracture before definitive treatment may have contributed to its distant recurrence, in addition to an already aggressive nature of the primary malignancy.
Conclusion: In the background of primary breast angiosarcoma, although rare, high suspicion for isolated skeletal metastasis in a symptomatic patient prevents delay in definitive management, which avoids progression to a poorer prognosis.
Keywords: Solitary bone metastasis, angiosarcoma, proximal femur, pathologic fracture.


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How to Cite this article: Naraval KYR, Carolino DKD, Jose MLMP | A Case Report of Solitary Bone Metastasis from Primary Angiosarcoma of the Bilateral Breasts – A Rare Diagnosis | Journal of Bone and Soft Tissue Tumors | Jan-Apr 2021; 7(1): 16-21.

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