Infantile Hemangioma Diagnosis and Treatment
Diagnostic Considerations
- The American College of Radiology recommends that infantile hemangiomas typically appear in the second week of life with rapid and progressive growth, which is the typical pattern of infantile hemangioma 1, 2
- Premature birth and low birth weight are significant risk factors, with a 25% increased risk for every 500g reduction in birth weight, according to the American College of Radiology and Pediatrics 1, 3
- Female sex increases the risk 1.4-3:1, as stated by the American College of Radiology 1, 4
Treatment Guidelines
- The American College of Radiology suggests that propranolol oral is the first-line treatment for complicated or high-risk infantile hemangiomas, with a dose of 2-3 mg/kg/day divided into 2-3 doses 2
- The treatment should be started as soon as possible to prevent tumor growth, and typically lasts until the age of 12 months, when the proliferative phase ends, as recommended by the American College of Radiology 2
Evaluation and Monitoring
- Before starting propranolol, a cardiovascular evaluation, including heart rate, blood pressure, and cardiac auscultation, should be performed to rule out contraindications, as suggested by the American College of Radiology 1, 2, 5
- During treatment, monitoring of heart rate, blood pressure, and glucose levels is necessary, especially in premature infants, according to the American College of Radiology 2
PHACE Syndrome Evaluation
- The American College of Radiology recommends evaluating for PHACE syndrome in patients with facial and segmental hemangiomas, which includes malformations of the posterior fossa, hemangioma, arterial anomalies, coarctation of the aorta/cardiac defects, and eye anomalies 1, 2, 5
Referral to Specialized Center
- The American College of Radiology suggests referring patients to a multidisciplinary center for vascular anomalies or pediatric ophthalmology for urgent evaluation and treatment planning, including propranolol treatment and joint follow-up during the proliferative phase 2
Diagnosis and Management of Infantile Hemangioma
Clinical Evaluation and Diagnosis
- The American Academy of Pediatrics recommends evaluating infantile hemangiomas for residual changes and considering surgical or laser intervention if disfigurement persists, as 90% of involution is complete by age 4 years 6
- The key question in evaluating an infantile hemangioma is whether it represents active residual hemangioma tissue requiring intervention or involuted hemangioma with residual skin changes, such as telangiectasias, redundant skin, or fibrofatty tissue 6
Diagnostic Imaging
- The American College of Radiology recommends ultrasound with duplex Doppler as the first-line imaging modality to confirm the vascular nature of an infantile hemangioma and distinguish it from venous malformations based on arterial and venous waveforms 7
- MRI with and without IV contrast may be used if ultrasound is inconclusive or to define the complete extent of the hemangioma before surgical planning 7
Treatment Algorithm
- The American Academy of Pediatrics recommends surgical excision as the preferred option for active/residual hemangioma tissue that causes functional impairment or significant disfigurement, is well-localized, and is in a child between 3-5 years of age 8
- Pulsed dye laser therapy can be used to treat persistent telangiectasias, superficial erythema, and textural irregularities in residual skin changes 6
- Surgical revision may be necessary for redundant skin, significant fibrofatty residuum, or scarring that causes functional or cosmetic concerns 8
Referral Recommendation
- The American Academy of Pediatrics recommends referring patients with infantile hemangiomas to a hemangioma specialist or multidisciplinary vascular anomalies center for definitive assessment, surgical planning, laser therapy consultation, and shared decision-making with the family regarding timing and type of intervention 9
Infantile Hemangioma Epidemiology and Clinical Features
Epidemiology
- Infantile hemangiomas affect approximately 4–5 % of all infants, with the head and neck region being the most frequently involved anatomical site. 10
Distinguishing Clinical Characteristics
- These lesions typically present as raised, well‑defined vascular masses that can be readily differentiated from flat capillary malformations. 10
- On physical examination, a raised, well‑defined border strongly suggests an infantile hemangioma rather than other cheek masses. 10
- The growth pattern is rapid proliferation during the first few months of life, which is characteristic of infantile hemangioma. 10
Airway Evaluation for Segmental Lesions
- Infantile hemangiomas that follow a segmental “beard” distribution (lower face and neck) require airway assessment to rule out subglottic involvement. 11