CranialReviewed by Dr. Julius Mautin Vitowanu, Consultant Neurosurgeon · 2026-03-20

Cranioplasty & Complex Calvarial Reconstruction

Surgical reconstruction of cranial bone defects to restore cerebral protection, normalize CSF dynamics, and re-establish natural cranial symmetry.

Clinical Safety Disclaimer: This surgical overview is provided for patient education. Surgical recommendations are made only after in-person clinical examination and formal slice-by-slice neuroimaging review.

01 / Operative Overview

What Is This Procedure?

Following decompressive craniectomy for severe traumatic brain injury, stroke, or tumor excision, patients are left with a skull defect (cranial defect). Cranioplasty restores cranial contour using either the preserved autologous bone flap or customized synthetic alloplastic implants (such as Titanium mesh, PEEK, or bioceramic materials). Beyond cosmetic symmetry, cranioplasty resolves the 'syndrome of the trephined' by normalizing intracranial pressure and atmospheric CSF fluid dynamics.

02 / Clinical Indications

Why It May Be Recommended

Protection of the vulnerable brain against physical trauma following previous craniectomy

Resolution of the 'syndrome of the trephined' (headache, dizziness, mood changes, cognitive slowing due to atmospheric pressure pushing on the unprotected brain)

Restoration of anatomical symmetry and patient psychological confidence

Improvement in cerebral perfusion and neurological functional recovery

03 / Surgical Mechanism

How It Works

A 3D thin-slice CT scan is used to model the cranial defect. The previous scalp incision is gently reopened along anatomical tissue planes to avoid injuring the underlying dura mater and brain cortex. The margins of the bone defect are prepared, and the custom implant or preserved bone is securely anchored with low-profile titanium micro-plates and screws.

04 / Preoperative Protocol

Preparation & Clinical Workup

STEP 1Fine-cut high-resolution 3D CT angiography of the head to evaluate the defect and underlying dural vasculature

STEP 2Custom computer-aided design (CAD) of patient-specific implant if synthetic reconstruction is planned

STEP 3Assessment of scalp thickness, softness, and healing from previous surgical interventions

STEP 4Screening to ensure full resolution of brain swelling and absence of latent infection

05 / In the Operating Suite

Operative Sequence

01Re-opening of original scalp incision with meticulous dissection between the galeal scar tissue and underlying neo-dura

02Circumferential exposure of healthy bony edges

03Placement of dural tack-up sutures to prevent dead-space fluid collection

04Trial fitting and contour refinement of the autologous bone or patient-matched synthetic implant

05Rigid fixation with titanium micro-plates and self-tapping low-profile screws

06Placement of a closed subgaleal wound drain on gentle suction to prevent hematoma formation

07Layered, tension-free scalp closure with cosmetic dressing

06 / Postoperative Course

Recovery & Aftercare

Neurological monitoring and surgical site observation for 48 to 72 hours

Subgaleal drain removal within 24 to 48 hours once drainage subsides

Postoperative non-contrast CT head to verify perfect implant seated position and absence of hematoma

Avoidance of contact sports or direct pressure to the reconstructed area for 8 to 12 weeks

Follow-up clinic visit at 2 weeks for suture removal and cosmetic evaluation

07 / Surgical Risks & Transparency

Risks & Clinical Considerations

Surgical site infection or implant extrusion requiring implant removal

Subgaleal fluid collection (seroma) requiring aspiration or compression

Bone flap resorption (in cases of autologous bone storage)

Epidural or subdural hematoma requiring urgent evacuation

08 / Common Inquiries

Frequently Asked Questions

When is the best time to perform a cranioplasty after a craniectomy?

Cranioplasty is typically performed between 2 to 6 months after the initial surgery, once brain swelling has completely subsided and all infection risks are resolved.

How strong is the repaired skull?

Custom synthetic implants (PEEK and titanium) and healed autologous bone provide strength and impact resistance comparable to the native human skull.

Will people be able to tell I have an implant?

Modern computer-designed 3D reconstructions match the exact curvature and mirror-symmetry of the opposite side of your skull, achieving virtually imperceptible cosmetic results.

Surgical Assessment

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Related Conditions

Chronic Subdural Hematoma (CSDH)Read condition guide

Dr. Julius Mautin Vitowanu

Consultant Neurosurgeon, Lagos State University Teaching Hospital (LASUTH). Fellow, West African College of Surgeons (WACS).

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