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PubMed This is a summary of 18 peer-reviewed journal articles Updated
Orthopedics

Finding Your Footing: A Guide for New Ollier Disease Families

At a Glance

Ollier disease is a rare, non-hereditary skeletal disorder causing benign cartilage tumors called enchondromas. While it requires lifelong orthopedic care and regular monitoring for cancer risk, complications like uneven bone growth are highly manageable with specialized medical treatment.

Receiving a diagnosis of a rare condition like Ollier disease can feel like the world has suddenly shifted. It is natural to feel overwhelmed, fearful, or even isolated when told that your child—or you—has a condition that many doctors may never have seen in their entire careers. This page is designed to help you catch your breath, understand the facts, and find your footing as you begin this journey.

Understanding the Diagnosis

Ollier disease is a rare skeletal disorder defined by the presence of multiple enchondromas [1][2]. These are benign (non-cancerous) tumors made of cartilage that grow inside the metaphyses (the growing ends) of long bones [1][3].

While the term “tumor” is frightening, it is important to understand that in Ollier disease, these are essentially overgrowths of normal cartilage that didn’t transform into bone as they should have during development [1]. These growths often appear asymmetrically, meaning they might affect one side of the body more than the other [2][4].

Three Stabilizing Facts

In the first few days and weeks after diagnosis, it is easy to get lost in “what ifs.” Here are three foundational facts to help stabilize your perspective:

  1. It is not hereditary: You did not pass this on to your child, and it was not caused by anything you did during pregnancy. Ollier disease is caused by somatic mutations (specifically in the IDH1 or IDH2 genes) [5][6]. These are random, spontaneous “typos” in the DNA that occur after conception; they are not present in the parents’ DNA and cannot be passed to future siblings or children [7][8].
  2. It is manageable: While it is a lifelong condition, many of the physical challenges—such as limb length discrepancies (one leg being shorter than the other) or bone bowing—can be treated with expert orthopedic care [9][10]. Modern techniques, including distraction osteogenesis (a process of slowly lengthening bone), allow doctors to correct deformities and maintain mobility [9][11].
  3. Proactive monitoring is the standard of care: While there is a risk that an enchondroma could transform into a malignant (cancerous) growth called a chondrosarcoma later in life, doctors now have clear guidelines for monitoring [12][13]. Regular surveillance is recommended to catch any changes early, when they are most treatable [12].

Navigating the Emotional Impact

It is common for parents and caregivers to experience significant emotional distress, anxiety, or a sense of being unprepared for the future [14][15]. The rarity of the disease often means you may have to become an expert and an advocate for your own care [14].

Studies show that connecting with specialized clinical teams and psychosocial support groups can significantly reduce the “caregiver burden” and improve emotional well-being [16][17]. You do not have to carry the weight of this diagnosis alone.

What to Expect Next

Your medical team will likely focus on two main goals:

  • Orthopedic Management: Monitoring how the bones grow and addressing any fractures or deformities that might affect movement [18][9].
  • Long-term Surveillance: Establishing a schedule of regular clinical monitoring and imaging [12][9]. The exact frequency of follow-up imaging will be determined by your specialist based on your specific case.

The most important “red flags” to watch for and report to your doctor are the development of unusual pain, such as pain at rest or that wakes you up at night, or a sudden, rapid increase in the size of a known growth [2][12].

Common questions in this guide

Is Ollier disease hereditary?
No, Ollier disease is not passed down from parents to children. It is caused by random, spontaneous genetic mutations that happen after conception, meaning it cannot be passed to future siblings.
What causes Ollier disease?
The condition is caused by spontaneous somatic mutations in the IDH1 or IDH2 genes. These random DNA changes lead to an overgrowth of normal cartilage in the growing ends of the long bones, forming benign tumors called enchondromas.
How are the bone issues in Ollier disease treated?
Treatment primarily focuses on orthopedic management to correct bone deformities and preserve mobility. Specialists often use techniques like distraction osteogenesis to slowly lengthen bones and correct limb length discrepancies.
Is there a risk of cancer with Ollier disease?
While enchondromas are benign initially, there is a risk they can transform into a type of bone cancer called chondrosarcoma over time. Your medical team will establish a schedule of regular clinical monitoring and imaging to catch any potential changes as early as possible.
What warning signs should I watch for between doctor appointments?
You should contact your doctor if you or your child develop unusual pain, such as pain that occurs while resting or wakes you up at night. Additionally, report any sudden or rapid increase in the size of a known cartilage growth.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.How many patients with Ollier disease have you or this orthopedic oncology team treated?
  2. 2.What is the current plan for a baseline whole-body MRI to map my/my child's lesions?
  3. 3.How often will we need follow-up imaging, and what specific changes (like pain or growth) should I be watching for between appointments?
  4. 4.Which specialist on the team will manage the potential for limb length differences or bone bowing?
  5. 5.Can you explain the specific somatic mutation (IDH1 or IDH2) that was found, and what that means for future monitoring?

Questions For You

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References

References (18)
  1. 1

    Teaching NeuroImage: Histopathologically Confirmed Intracranial Enchondroma/Low-Grade Chondrosarcoma and IDH1-Mutated Diffuse Glioma in Ollier Disease.

    Gregory TA, Taylor LP

    Neurology 2021; (97(17)):e1747-e1748 doi:10.1212/WNL.0000000000012269.

    PMID: 34039720
  2. 2

    Ollier Disease: A Case Series and Literature Review.

    Markevičiūtė V, Markevičiūtė MŠ, Stravinskas M

    Acta medica Lituanic 2021; (28(1)):181-188 doi:10.15388/Amed.2021.28.1.8.

    PMID: 34393643
  3. 3

    Ollier's Disease with Myelodysplastic Syndrome.

    Faizan M, Anwar S, Nabeela , Ali AS

    Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2015; (25(10)):774-5 doi:10.2015/JCPSP.774775.

    PMID: 26454395
  4. 4

    Ollier Disease: Pathogenesis, Diagnosis, and Management.

    Kumar A, Jain VK, Bharadwaj M, Arya RK

    Orthopedics 2015; (38(6)):e497-506 doi:10.3928/01477447-20150603-58.

    PMID: 26091223
  5. 5

    Update on the imaging features of the enchondromatosis syndromes.

    Sharif B, Lindsay D, Saifuddin A

    Skeletal radiology 2022; (51(4)):747-762 doi:10.1007/s00256-021-03870-0.

    PMID: 34302201
  6. 6

    IDH Mutations Are Potentially the Intrinsic Genetic Link among the Multiple Neoplastic Lesions in Ollier Disease and Maffucci Syndrome: A Clinicopathologic Analysis from a Single Institute in Shanghai, China.

    Chen C, Li J, Jiang T, et al.

    Diagnostics (Basel, Switzerland) 2022; (12(11)) doi:10.3390/diagnostics12112764.

    PMID: 36428825
  7. 7

    Gene of the month: IDH1.

    Bruce-Brand C, Govender D

    Journal of clinical pathology 2020; (73(10)):611-615 doi:10.1136/jclinpath-2020-206813.

    PMID: 32727816
  8. 8

    Characteristics of gliomas in patients with somatic IDH mosaicism.

    Bonnet C, Thomas L, Psimaras D, et al.

    Acta neuropathologica communications 2016; (4()):31 doi:10.1186/s40478-016-0302-y.

    PMID: 27036230
  9. 9

    Ollier Disease: A Case Report and Review of Treatment Options.

    Kramer HD, Valentine MJ, Pettinelli N, et al.

    Cureus 2023; (15(8)):e43815 doi:10.7759/cureus.43815.

    PMID: 37731444
  10. 10

    Lengthening the Lower Extremities of Children with Ollier's and Maffucci's Enchondromatosis Using Implantable Lengthening Nails.

    Huser AJ, Hoellwarth JS, Coppa V, et al.

    Children (Basel, Switzerland) 2021; (8(6)) doi:10.3390/children8060502.

    PMID: 34198529
  11. 11

    Therapeutic effect of intramedullary reaming and nailing for long bones lengthening in children with Ollier disease and Maffucci syndrome on enchondromas: multicentric retrospective case series.

    Bonneau S, Georges S, Fraisse B, et al.

    SICOT-J 2024; (10()):43 doi:10.1051/sicotj/2024035.

    PMID: 39450975
  12. 12

    Update on Cancer Screening in Children with Syndromes of Bone Lesions, Hereditary Leiomyomatosis and Renal Cell Carcinoma Syndrome, and Other Rare Syndromes.

    Michaeli O, Kim SY, Mitchell SG, et al.

    Clinical cancer research : an official journal of the American Association for Cancer Research 2025; (31(3)):457-465 doi:10.1158/1078-0432.CCR-24-2171.

    PMID: 39601780
  13. 13

    Ollier disease: two case reports and a review of the literature.

    Wang JP, Xu ZY, Bao ZQ, et al.

    American journal of translational research 2018; (10(11)):3818-3826.

    PMID: 30662632
  14. 14

    Caregiver Burden and the Related Factors Among Family Caregivers of Older Persons With Schizophrenia: A Mixed Methods Study.

    Makanjuola OJ, Ngcobo WB

    International journal of older people nursing 2025; (20(5)):e70047 doi:10.1111/opn.70047.

    PMID: 40963420
  15. 15

    An App-Based Mindfulness-Based Self-compassion Program to Support Caregivers of People With Dementia: Participatory Feasibility Study.

    Goodridge D, Reis N, Neiser J, et al.

    JMIR aging 2021; (4(4)):e28652 doi:10.2196/28652.

    PMID: 34842530
  16. 16

    Coping with Wolf-Hirschhorn syndrome: quality of life and psychosocial features of family carers.

    Berrocoso S, Amayra I, Lázaro E, et al.

    Orphanet journal of rare diseases 2020; (15(1)):293 doi:10.1186/s13023-020-01476-8.

    PMID: 33076957
  17. 17

    Psychological Interventions for Dementia Caregivers: What We Have Achieved, What We Have Learned.

    Cheng ST, Au A, Losada A, et al.

    Current psychiatry reports 2019; (21(7)):59 doi:10.1007/s11920-019-1045-9.

    PMID: 31172302
  18. 18

    An Extremely Rare Case of Ollier Disease With Calvarial Involvement.

    Önner H, Calderon Tobar MN, Perktas L

    Clinical nuclear medicine 2025; (50(12)):1186-1187 doi:10.1097/RLU.0000000000006108.

    PMID: 40829138

This guide provides introductory information about Ollier disease for educational purposes only. Always consult with a specialized orthopedic oncologist to determine the best monitoring and treatment plan for you or your child.

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