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Effect of continuous positive airway pressure therapy on a large hemangioma complicated with obstructive sleep apnea syndrome: a case report
© Antoniadou et al; licensee BioMed Central Ltd. 2010
Received: 8 December 2009
Accepted: 12 August 2010
Published: 12 August 2010
Hemangiomas involving the upper airway can be an uncommon cause of obstructive sleep apnea syndrome.
A 26-year-old Caucasian man with a known history of a large hemangioma of his head and neck presented with sleep-disordered breathing to the sleep unit of our hospital. Severe obstructive sleep apnea syndrome was revealed on polysomnography. Nasal continuous positive airway pressure was implemented effectively, reducing daytime hypersomnolence and significantly improving sleep parameters. After three years of adherent use, the patient remains in a good condition and the hemangioma is stable.
Application of continuous positive airway pressure can be an effective treatment for patients with obstructive sleep apnea syndrome complicated with vascular tumors. Periodic follow-up of these patients is necessary, as little is known about the long-term effects of continuous positive airway pressure therapy.
Obstructive sleep apnea syndrome (OSAS) is the most common sleep-related breathing disorder, with a worldwide prevalence of 4 and 2% in middle-aged men and women, respectively . The clinical manifestations in patients with this condition include daytime hypersomnolence, neurocognitive dysfunction, cardiovascular disease and metabolic disorders . There are many risk factors for the development of OSAS including alterations in upper airway anatomy in some patients, which predisposes them to upper airway obstruction by increasing pharyngeal collapsibility . An uncommon cause of anatomic narrowing of the upper airway is soft tissue tumors of the head and neck.
We report the case of a patient with a large head and neck hemangioma complicated by the presence of OSAS, which was successfully treated using continuous positive airway pressure (CPAP).
Polysomnographic parameters and ESS before and after one year on continuous positive airway pressure therapy
Mean SpO2 (%)
Min SpO2 (%)
Time SpO2 < 90% (%TST)
The following night, CPAP via a nasal mask was applied to the patient and titration of optimal pressure was determined at a second sleep study. At 10 cm of water pressure of nasal CPAP, the patient's snoring was eliminated, his AHI decreased considerably, and both his oxygen saturation and sleep efficiency improved (Table 1). The application of CPAP was well tolerated by the patient and no complications were observed. Therefore, CPAP treatment was prescribed and the patient was followed up once a year for three years. At the one-year follow up, the patient noted significant improvement in his cognitive performance and daytime functions. His ESS score had declined to three. No symptoms, such as headache or swelling of the hemangioma, were reported. After three years, the patient compliantly uses the nasal CPAP treatment (mean use of more than four hours/night) and both his daytime alertness and sleep effectiveness are significantly improved. The status of his hemangioma remained unchanged.
OSAS is a highly prevalent disease accompanied by major comorbidities. Structural changes, such as tonsilar hypertrophy, retrognathia, macroglossia, adenoid tissue and variations in craniofacial features, promote the occurrence of apneas and hypopneas due to anatomic narrowing of the upper airway. In selected patients, surgical intervention may have beneficial effects . Uncommon causes of structural alterations in the pharyngeal wall, oral cavity and tongue are benign tumors and cysts, which are responsible for 1.5% of cases of OSAS .
Hemangioma is a benign vascular tumor that occurs in 1.1 to 2.6% of newborn babies . In 60 to 70% of cases, hemangiomas are localized to the head and neck. However, all other parts of the body can be affected. This lesion can be complicated with ulceration, infection, bleeding, ocular involvement, disfigurement and heart failure . If the central respiratory tract is involved, hemangioma may lead to life-threatening obstruction. The diagnosis of a hemangioma is usually made on the basis of a patient's history and clinical findings. Ultrasonography is a useful imaging technique for the evaluation of hemangiomas. However, magnetic resonance imaging is the ideal tool, providing a more specific diagnosis. When accompanied by a magnetic resonance angiography, magnetic resonance imaging provides information not available from other non-invasive techniques, accurately determining the extent of the hemangioma [7, 8]. When complications are present, a medical or surgical intervention is usually recommended [9–11].
In the current literature, few cases of patients with hemangiomas associated with OSAS have been reported. Kimura et al.  presented three cases of patients with OSAS due to mucosal hemangiomas of the oral cavity, which were successfully treated with the use of CPAP. All three patients were compliant with nightly use of nasal CPAP and at follow up their hemangiomas remained stable. Becker et al.  reported the case of a patient with OSAS and congenital temporal and cervical hemangiomas, who developed severe headache and internal hydrocephalus while using nasal bilevel positive airway pressure ventilation. After other possible diagnosis had been excluded, the cause of the patient's headaches was postulated to be the artificial respiration-dependent swelling of the subcutaneous temporal and cervical hemangiomas. A rare case of an 18-month-old child with sleep apnea and recurrent epistaxis due to an ethmoidal hemangioendothelioma was described by Semino et al. . Hemangioendotheliomas are tumors that have a histology resembling somewhere between a hemangioma and an angiosarcoma. In that patient, a presurgery embolization was performed and was followed by endoscopic resection of the tumor. After four years, no sign of disease recurrence was observed. Recently, Thong et al.  reported the case of a patient with symptoms suggestive of OSAS due to an uvular hemangioma. The symptoms resolved after a complete excision of the lesion using a carbon dioxide laser.
In this case, for the patient having a large non-operable hemangioma and severe OSAS, responsible for daytime sleepiness and an increased risk of several types of morbidity, the use of CPAP seemed a logical approach.
Hemangiomas may be complicated with severe OSAS when the upper airway is involved. Close monitoring and prompt diagnosis of the patient with OSAS are required, especially for patients with enlarging hemangiomas. CPAP use is an effective and well-tolerated solution. However, periodic follow up is required, because the long-term outcomes of the implementation of CPAP on vascular lesions are unknown.
Written informed consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
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