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    Surgery: Hereditary Multiple Exostoses (HME)

    Hereditary multiple exostoses management: selective surgery, deformity correction. Dr. Priano, Milan.

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    Complex surgical management for hereditary condition

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    Surgical Techniques

    Selective Exostosis Removal

    Removal of symptomatic or risky lesions, preserving others. Often staged procedures over years.

    Indication

    Painful lesions, deforming lesions, compressive lesions, or lesions with suspicious growth.

    Recovery

    Variable based on location and number of lesions treated.

    Corrective Osteotomies

    Correction of secondary deformities, particularly forearm (radial-ulnar dislocation) and knee.

    Indication

    Progressive deformities with functional limitation.

    Recovery

    Immobilization for 4-6 weeks. Physical therapy.

    Postoperative Overview

    HME management is multifactorial requiring a long-term approach. The goal is preserving function while intervening only when necessary. We treat complex cases with advanced methods at Gaetano Pini Institute, the regional reference center for pediatric orthopaedics.

    Detailed Recovery Timeline

    Note: The timeline below is a general baseline. The actual postoperative course varies depending on the specific surgical technique chosen (see procedures above).

    Variable: day-surgery for single lesion, 1-2 nights for osteotomies.

    Dependent on procedure type and location. Detailed protocol provided for each surgery.

    Progressive rehabilitation. Follow-up imaging.

    Return to activities based on specific procedure. Some deformity corrections require longer rehabilitation.

    Return to Sport

    Individualized. Generally sports allowed once healed, with possible limitations for contact sports.

    Follow-up Schedule

    Long-term follow-up essential in HME: every 6-12 months throughout growth. Monitor for new symptomatic lesions and malignant transformation.

    Possible Complications

    Recurrence of individual lesions, progression of deformities, rare malignant transformation (1-5% lifetime risk - requires vigilance).

    For parents

    Hereditary Multiple Exostoses (HME): condition information page

    Causes, diagnosis, conservative options and when surgery is considered.

    Questions about this surgery?

    Book a consultation to discuss your child's specific case.

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