Overview
15q overgrowth syndrome encompasses conditions characterized by excessive growth, often involving adipose tissue, vascular malformations, and skin lesions. CLOVE syndrome, a distinct entity, features congenital lipomatous overgrowth, vascular malformations, and epidermal nevi without progressive bony overgrowth 2.Diagnosis
Clinical Features: Progressive lipomatous overgrowth, complex vascular malformations, and epidermal nevi 2.
Differential Diagnosis: Distinguished from Proteus syndrome by absence of progressive bony overgrowth and specific clinical features 2.
Recommended Tests: Imaging studies (MRI, CT) to assess extent of lipomatous overgrowth and vascular malformations 2.
Grading: No standardized grading system mentioned; clinical assessment and imaging are crucial 2.Management
First-Line Treatments:
- Non-Surgical Periodontal Therapy: For associated gingival overgrowth, meticulous oral hygiene, scaling, root surface instrumentation, and prophylaxis 1.
Adjunctive Treatments:
- Drug Adjustment: Consider discontinuation or switching antihypertensive agents if causing gingival overgrowth (e.g., nifedipine) 1.
- Surgical Interventions: Reserved for severe cases where conservative measures fail, particularly for vascular malformations 2.Special Populations
Elderly: Management focuses on non-surgical periodontal therapy and careful monitoring of systemic medications to prevent or manage gingival overgrowth 1.
Comorbidities: Hypertension management should consider potential drug-induced side effects like gingival overgrowth 1.Key Recommendations
Evaluate and manage gingival overgrowth associated with nifedipine through non-surgical periodontal therapy and potential drug adjustment (Evidence: Weak 1).
Differentiate CLOVE syndrome from Proteus syndrome using clinical features and imaging studies (Evidence: Moderate 2).
Consider surgical interventions for severe vascular malformations in CLOVE syndrome only after conservative management fails (Evidence: Expert opinion 2).References
1 de Carvalho Farias B, Cabral PA, Gusmão ES, Jamelli SR, Cimões R. Non-surgical treatment of gingival overgrowth induced by nifedipine: a case report on an elderly patient. Gerodontology 2010. link
2 Sapp JC, Turner JT, van de Kamp JM, van Dijk FS, Lowry RB, Biesecker LG. Newly delineated syndrome of congenital lipomatous overgrowth, vascular malformations, and epidermal nevi (CLOVE syndrome) in seven patients. American journal of medical genetics. Part A 2007. link