Prof. Dr. Turgay Çelikel
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Cancer Surgery
Hemipelvectomy
What a hemipelvectomy is, how internal limb-sparing resections differ from external pelvic amputations, what oncological evidence shows regarding local tumour control and margins, approximate costs in Turkey compared with the UK, US and Germany, hospital stay duration, rehabilitation milestones, potential surgical risks and how to choose an accredited multidisciplinary surgical oncology team.
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Hemipelvectomy: what it is and surgical classifications
A hemipelvectomy is a major oncological operation involving the surgical removal of part or all of one half of the pelvic bone (the ilium, ischium, and pubis). Surgeons perform this complex procedure primarily to treat primary malignant bone tumours (such as chondrosarcoma, osteosarcoma, and Ewing sarcoma), extensive soft-tissue pelvic sarcomas, or severe pelvic ring trauma and intractable infections. Because the pelvis forms the structural bridge between the spine and the lower extremities, operating in this anatomical region requires meticulous planning to excise the tumour with clean margins while managing adjacent major blood vessels, visceral organs, and spinal nerves.
Surgical oncology classifies pelvic resections according to the Enneking classification system, which divides the pelvis into four distinct anatomical zones: Zone I (the iliac wing), Zone II (the periacetabular area surrounding the hip joint), Zone III (the ischium and pubic bones), and Zone IV (the sacrum). Depending on the tumour location and proximity to major nerves and vessels, the operation is categorised as either an internal hemipelvectomy (limb-sparing resection) or an external hemipelvectomy (pelvic amputation). For patients navigating complex cancer diagnoses, surgical planning forms part of broader oncology treatments in Turkey, where specialised surgical units manage both soft-tissue and osseous lesions.
Does hemipelvectomy work for pelvic bone and soft-tissue tumours?
Clinical evidence demonstrates that hemipelvectomy provides effective local tumour control when surgeons achieve wide, clear surgical margins (R0 resection). In primary pelvic malignancies like high-grade chondrosarcoma—which typically shows poor response to conventional chemotherapy and radiotherapy—surgical resection remains the definitive curative modality. Studies published by international orthopaedic oncology registries indicate that achieving wide margins significantly reduces local recurrence rates, which ranges between 15% and 30% depending on tumour stage, histological grade, and anatomical zone.
However, the surgery has clear oncological limits. A hemipelvectomy cannot eradicate distant metastatic disease on its own, though it may be performed for local symptom control or in oligometastatic cases alongside systemic chemotherapy or immunotherapy. Unlike breast conservation surgeries such as a lumpectomy, which focus on localised organ preservation, pelvic bone tumours demand wide three-dimensional bone margins to prevent local recurrence. Honest clinical teams will never promise absolute cure, as long-term disease-free survival depends heavily on tumour biology, response to neoadjuvant therapy, and postoperative histological margins.
Internal hemipelvectomy versus external hemipelvectomy
The decision between limb preservation and amputation depends entirely on tumour boundaries. In an internal hemipelvectomy, the surgeon resects the affected pelvic bone while leaving the leg intact. If the periacetabular region (Zone II) is removed, reconstruction may involve a 3D-printed custom prosthesis, an allograft, or deliberately leaving the hip without bony reconstruction (flail hip) to prioritise soft-tissue healing. In an external hemipelvectomy (hindquarter amputation), the pelvic bone is resected together with the entire lower limb. This is reserved for tumours that encase the sciatic nerve, femoral vessels, or extensive muscle groups where a safe margin cannot otherwise be established.
| Surgical approach | Best suited to | Typical limits and trade-offs |
|---|---|---|
| Internal hemipelvectomy (limb-salvage) | Localised tumours with preserved major neurovascular structures (sciatic nerve, femoral vessels) | Complex reconstruction; risk of deep infection, mechanical failure or pseudarthrosis |
| External hemipelvectomy (hindquarter amputation) | Extensive tumours infiltrating femoral or sciatic neurovascular bundles or intractable infection | Loss of limb; requires extensive wound coverage, high energy expenditure for prosthetic mobility |
| Definitive radiotherapy (e.g. heavy ion or proton) | Inoperable primary tumours or patients unfit for extensive major pelvic resection | Lower local control rates in radioresistant tumours; radiation-induced tissue damage |
In advanced cases involving pelvic viscera, orthopaedic surgeons collaborate with general surgical teams experienced in visceral resections such as the removal of colon cancer to achieve clear anatomical margins and ensure safe abdominal wall reconstruction.
Hemipelvectomy cost in Turkey compared with the UK, US and Germany
Because hemipelvectomy is among the most demanding orthopaedic oncology operations, costs reflect intensive surgical time, multidisciplinary specialists, blood transfusion support, and extended intensive care monitoring. The figures below outline approximate price ranges across different countries. These represent broad estimates rather than formal quotations, as individual pathology and reconstruction needs determine the final price.
| Country | Approximate cost range |
|---|---|
| Turkey | €18,000 – €45,000 |
| United Kingdom | €35,000 – €85,000 |
| United States | €60,000 – €160,000 |
| Germany | €32,000 – €75,000 |
Several clinical variables affect the final hemipelvectomy cost. Whether an internal reconstruction requires a bespoke 3D-printed titanium pelvic implant or autologous bone grafting substantially alters surgical expenses. Other key factors influencing the overall hemipelvectomy price include the number of days spent in the intensive care unit (ICU), intraoperative blood products, plastic surgical flap coverage, and prolonged post-operative physiotherapy. Hospital packages in Turkey typically include pre-operative imaging (MRI, CT, PET), the surgical and anaesthetic fees, hospital stay, essential medication, and airport transfers.
Who is an appropriate candidate for pelvic resection?
Appropriate candidates for hemipelvectomy are patients with resectable primary malignant bone or soft-tissue tumours of the pelvis, recurrent tumours without uncontrolled systemic spread, or severe intractable pelvic infections. The patient must possess sufficient cardiovascular and respiratory reserve to withstand an operation lasting between four and ten hours, significant fluid shifts, and substantial blood loss. Pre-operative assessment includes cardiopulmonary exercise testing, nutritional evaluation, and detailed cross-sectional imaging to ensure the tumour has not invaded non-resectable retroperitoneal or spinal structures.
Patients who are generally not candidates include those with widespread disseminated metastases, severe uncontrolled medical comorbidities that render extended anaesthesia unsafe, or tumours encircling vital retroperitoneal vasculature where clear margins are anatomically impossible. Severe malnutrition, active unmanaged systemic infection, or an inability to participate in demanding long-term physical rehabilitation also represent contraindications. A multidisciplinary tumour board must review every case before surgical clearance is granted.
The surgical procedure step by step
A hemipelvectomy involves rigorous preparation, precision resection, and reconstructive surgery carried out across distinct phases:
- Pre-operative planning: Advanced 3D multi-slice CT and MRI scans map the exact osseous margins and neurovascular pathways. Custom cutting guides and 3D-printed models are often prepared in advance for complex internal resections.
- Anaesthesia and vascular control: The patient receives general anaesthesia combined with invasive arterial and central venous monitoring. Surgeons isolate and secure the internal or external iliac blood vessels to minimise intraoperative blood loss.
- Bony osteotomies: Using surgical navigation or specialised oscillating saws and osteotomes, the orthopaedic oncologist performs planned bone cuts across the sacroiliac joint, pubic ramus, or ilium to release the tumour en bloc.
- Reconstruction or closure: In internal resections involving the hip joint, surgeons may implant a modular or custom pelvic prosthesis, or perform biological reconstruction. In external amputations, an anterior or posterior gluteal myocutaneous flap is mobilised to cover the pelvic defect.
- Drain placement and wound closure: Multiple surgical drains are positioned to prevent fluid accumulation, and the deep fascial layers are closed meticulously in layers.
Depending on complexity and whether complex microvascular tissue transfer is required, the operation typically lasts between five and eight hours.
Hemipelvectomy recovery, hospital stay and rehabilitation timeline
Hemipelvectomy recovery is an intensive, gradual process that begins in the intensive care unit, where patients spend the first two to four days for continuous haemodynamic monitoring and pain management. Following transfer to the surgical oncology ward, total inpatient hospital stay usually lasts between two and four weeks. Patients travelling for a hemipelvectomy in Turkey should expect a total stay of three to six weeks before being cleared for travel, allowing the surgical team to monitor wound healing, manage surgical drains, and begin early mobilisation.
The recovery timeline unfolds through distinct rehabilitation stages:
- Weeks 1–2: Bed-side physical therapy, deep breathing exercises, passive joint movement, and transitioning from bed to a wheelchair with specialist assistance.
- Weeks 3–6: Progressive transfer training, standing exercises with a walker or parallel bars, and progressive wound monitoring. Drains are typically removed once fluid output decreases.
- Months 2–6: Intensive outpatient physiotherapy. Patients who underwent internal hemipelvectomy focus on gradual partial weight-bearing as guided by bone healing, while external hemipelvectomy patients work on core strengthening and wheelchair independence.
- Months 6–12+: Long-term functional adaptation. Some external hemipelvectomy patients may be evaluated for specialised Canadian-type pelvic prostheses, though many choose crutches or wheelchairs for long-term mobility.
Before-and-after expectations: functional mobility and scan results
Realistic expectations regarding physical mobility and post-operative life are essential. Surgical scans before and after surgery illustrate the complete excision of the tumour mass and the alignment of reconstructive hardware. However, clinical recovery does not restore baseline pre-disease biomechanics. An internal hemipelvectomy involving the hip joint invariably alters gait, often requiring a permanent walking stick or crutch, and may leave a leg length discrepancy if the pelvic ring is not rigidly reconstructed.
Following an external hemipelvectomy, adjusting to altered centre of gravity, seated posture, and body image requires sustained psychological and physical support. While specialised prostheses exist, prosthetic walking after a hindquarter amputation requires substantial cardiovascular exertion. Many patients find that high-performance wheelchairs or crutches offer more practical, energy-efficient daily independence. Honest consultations prior to surgery prepare patients and their families for these permanent lifestyle adjustments.
Surgical risks and oncological complications
Given the magnitude of pelvic resection, complications are common and must be anticipated. Well-documented risks reported by the British Orthopaedic Association, the National Comprehensive Cancer Network (NCCN), and international oncology guidelines include:
- Wound healing complications and necrosis: Extensive skin and muscle flaps carry a high risk of delayed healing, wound dehiscence, or skin flap necrosis (occurring in 20% to 40% of cases).
- Deep infection: Pelvic space infections or implant infections often require prolonged intravenous antibiotic therapy or revision surgery.
- Major haemorrhage: Proximity to large pelvic vascular plexuses can lead to significant intraoperative bleeding requiring substantial blood transfusions.
- Neurological deficits: Sacral plexus or nerve root manipulation may cause temporary or permanent sensory loss, bowel or bladder dysfunction, or motor weakness.
- Deep vein thrombosis (DVT) and pulmonary embolism: Extensive pelvic surgery and prolonged immobility increase venous thromboembolism risks, necessitating rigorous anticoagulant prophylaxis.
- Prosthetic mechanical failure: Loosening, dislocation, or breakage of complex internal pelvic reconstruction hardware over time.
How to choose an orthopaedic oncology centre and avoid red flags
Selecting the right surgical institution is the single most critical decision for a patient facing pelvic tumour surgery. Because hemipelvectomy is rarely performed in general hospitals, it must take place in an accredited tertiary oncology centre equipped with an experienced orthopaedic oncology surgeon, microvascular reconstructive surgeons, dedicated surgical intensive care, and on-site tumour histopathology. Medical tourism facilitators or clinics offering hemipelvectomy Turkey travel packages must provide direct access to the treating surgical team rather than vague administrative reassurances.
Red flags include clinics that provide instant price quotes without reviewing detailed MRI and CT scans, facilities lacking on-site blood banks or high-dependency units, surgeons who cannot verify fellowship training in musculoskeletal oncology, or coordinators who downplay the severity and lengthy rehabilitation of the operation. You can read more about how it works when arranging care abroad, and request a clinical review through our free quote enquiry form.
Before committing to treatment, discuss these essential questions with your prospective surgical team:
- How many pelvic bone tumour resections does your orthopaedic oncology team perform each year?
- Will my case be reviewed by a formal multidisciplinary tumour board (including oncologists, radiologists, and pathologists)?
- Is an internal limb-sparing resection oncologically safe for my tumour, or is an external hemipelvectomy necessary to achieve clear margins?
- What reconstruction technique do you recommend, and what are the associated implant failure or infection risks?
- What is your protocol if major wound breakdown or deep infection develops after surgery?
- How many weeks of inpatient care and rehabilitation are included in your post-operative plan?
Hospitals with Oncology in Turkey
Frequently asked questions
A hemipelvectomy is a major surgical procedure that removes part or all of one half of the pelvic bone. It is primarily performed to treat primary bone malignancies such as chondrosarcomas or osteosarcomas, deep soft-tissue pelvic sarcomas, or severe pelvic ring trauma where clear oncological margins are required.
Surgery offers the primary curative opportunity for localised pelvic bone tumours when complete wide surgical margins (R0 resection) are achieved. Long-term disease-free survival depends on tumour biology, histological grade, and responsiveness to chemotherapy, while metastatic disease requires comprehensive multimodal systemic therapy.
Approximate costs in Turkey range from €18,000 to €45,000, compared with €35,000 to €85,000 in the UK and €60,000 to €160,000 in the US. The price varies depending on internal versus external approach, custom 3D titanium prostheses, intensive care duration, and multidisciplinary reconstruction requirements.
An internal hemipelvectomy preserves the lower limb by excising only the affected pelvic bone, sometimes followed by prosthetic or biological reconstruction. An external hemipelvectomy (hindquarter amputation) removes the diseased pelvic section together with the entire leg when tumours encase the major sciatic or femoral neurovascular bundle.
Most patients who undergo internal hemipelvectomy regain independent walking ability, often using a cane, crutches, or a shoe lift. Following an external hemipelvectomy, mobility is achieved using crutches or a wheelchair; specialised Canadian pelvic prostheses are an option, though they demand high physical energy expenditure.
Immediate hospital recovery requires two to four weeks, including several days in intensive care. Patients typically spend three to six weeks in Turkey before flying home. Full functional rehabilitation and mobility adaptation take between six and twelve months under supervised physical therapy.
Intensive pain management begins during surgery using epidural catheters, peripheral nerve blocks, and patient-controlled analgesia. Postoperative discomfort is substantial given the extensive bone and muscle dissection, but specialised pain protocols gradually transition patients to oral medications as tissues heal over several weeks.
The most frequent complications include wound healing problems and skin flap necrosis (seen in 20% to 40% of cases), deep surgical site infection, significant blood loss requiring transfusions, deep vein thrombosis, and potential nerve injury affecting leg sensation or pelvic organ function.
Patients typically need to plan for a stay of three to six weeks in Turkey. This duration covers pre-operative staging and 3D imaging, the surgery, an inpatient stay of two to four weeks, surgical drain removal, and initial rehabilitation before safe aeromedical travel.
Before surgery, rehabilitation focuses on respiratory training, nutritional optimisation, and strengthening. After surgery, therapy progresses from assisted bed transfers to wheelchair mobility, balance training, partial weight-bearing with walking aids, and tailored core conditioning to adapt to altered pelvic biomechanics.
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