|Year : 2016 | Volume
| Issue : 4 | Page : 355-357
Headband sign on magnetic resonance imaging: An unusual finding of scurvy in a 5-year-old child described first time
Umesh I Patel, Jayendra R Gohil, Alpa N Parekh, Hardik R Chauhan
Department of Pediatrics, Sir T Hospital, Bhavnagar, Gujarat, India
|Date of Web Publication||3-Feb-2017|
Umesh I Patel
Department of Pediatrics, Sir T Hospital, Bhavnagar - 364 001, Gujarat
Source of Support: None, Conflict of Interest: None
| Abstract|| |
Scurvy usually presents with tender and painful limbs, swelling of joints, gum bleeding, poor wound healing, and muscle weakness. Here, we report a case of 5-year-old child with global developmental delay who presented with soft swelling of the head over scalp and protrusion of the left eye with extremely irritability. Neuroimaging was suggestive of diffuse extensive soft-tissue swelling involving the entire scalp with large necrotic collections with mild proptosis of the left orbit. It is not mentioned elsewhere, so we are giving name to this magnetic resonance imaging finding as “headband” sign or “turban” sign.
Keywords: Headband sign, magnetic resonance imaging of the brain, scurvy
|How to cite this article:|
Patel UI, Gohil JR, Parekh AN, Chauhan HR. Headband sign on magnetic resonance imaging: An unusual finding of scurvy in a 5-year-old child described first time. J Pediatr Neurosci 2016;11:355-7
|How to cite this URL:|
Patel UI, Gohil JR, Parekh AN, Chauhan HR. Headband sign on magnetic resonance imaging: An unusual finding of scurvy in a 5-year-old child described first time. J Pediatr Neurosci [serial online] 2016 [cited 2018 Jun 23];11:355-7. Available from: http://www.pediatricneurosciences.com/text.asp?2016/11/4/355/199484
| Introduction|| |
Scurvy is caused by prolonged dietary deficiency of ascorbic acid (Vitamin C). It is a rare compared to other nutritional deficiency in children. High index of suspicion, detailed history, and physical examination is required in diagnosing disease. Children with mental illness or abnormal dietary habits are more prone to develop disease. Although uncommon, it still exists in high-risk groups including economically disadvantaged populations with poor nutrition.
| Case Report|| |
A 5-year-old female child coming from low socioeconomic class with global developmental delay was admitted to the pediatric department of Sir T Hospital with the history of increase head size and protrusion of the left eyeball for last 15 days. The child also had excessive irritability, especially when touched on any body part. There was no history of fever, trauma, bleeding from any site, vomiting, or altered sensorium. She was only on liquid and semisolid diet.
On examination, the child had severe acute malnutrition (weight for height below the third percentile). He was severely pale, afebrile and had no lymphadenopathy or hepatosplenomegaly. Posture of the child was frog-like. The child was extremely irritable. Tenderness was present all over the body mostly over the limbs. He had huge swelling over the entire head which had gradually increased in size. Swelling was soft in consistency with fluctuating baggy feel and tender. There was proptosis of the left eye with exposure keratitis.
Vitals: T-N, heart rate-116/min, respiration rate-28/min, and blood pressure-86/68 mmHg.
Initially X rays of the skull bones was done, and there was no fracture in the skull. Ultrasonography of the scalp showed soft tissue outside the skull vault which was thickened (2.3 cm) with vascularity inside between the temporal and frontal regions. Neuroimaging was suggestive of diffuse extensive soft-tissue swelling involving the entire scalp with large necrotic collections and with mild proptosis of the left eye.
Diagnostic aspiration was suggestive of blood.
The laboratory results were as follows:
Hemoglobin: 5.2 g/dl; total count: 6800 cells/mm 3; and differential count: N 59%, L 37%, E 0, M 3%, and B 0%. Mean corpuscular volume: 90.5 fl, mean corpuscular hemoglobin: 30.4 pg, mean corpuscular hemoglobin concentration: 33.6%, and platelets: 3.2 × 103/mcL. Bleeding time 1.30 min (normal 2–8), clotting time 3.30 min (up to 11 normal), erythrocyte sedimentation rate: 15 mm/h, prothrombin time 13 s (normal), and activated partial thromboplastin time 27 s (normal). Electrolytes, liver, and renal function test were within normal limits.
The radiograph of the knee showed ground glass appearance of the shaft of the tibia, fibula, and femur. Irregular, thickened white line at the metaphysic and White line at the cortical ends were seen. All radiological features pointed toward scurvy [Figure 1].
Magnetic resonance imaging of the brain revealed diffuse extensive soft-tissue swelling involving entire scalp appearing heterogeneously hyperintense on T2-weighted (T2W) and FLAIR images and hypointense on T1-weighted (T1W) images with no significant diffusion abnormality. The swelling showed large necrotic collections on postcontrast T1W FS images, suggestive of infective etiology with abscess formation. Orbit showed T2W hyperintense collection appearing hypointense on T1W in the left orbit extraconal compartment along the roof, with no obvious postcontrast enhancement or necrotic areas within and resultant mild proptosis of the left globe, less likely to be an abscess formation [Figure 2].
Ascorbic acid level was not done. The diagnosis of scurvy was made, and the child was treated with 500 mg oral Vitamin C daily for 1 week and then 100 mg of Vitamin C daily thereafter. Incision and drainage of the hematoma was done. Mother was educated about dietary modifications including Vitamin C.
Tenderness and pain reduced and disappeared with treatment.
| Discussion|| |
Scurvy is less common in the pediatric population, but case reports still appear.,, A review of the literature by Noble et al. reveals 23 case reports of scurvy in children with behaviorally restricted diets including children with autism, mental retardation, and cerebral palsy. Scurvy is common in children with cerebral palsy as they subsist on predominant milk-based diets (due to pseudobulbar palsy and difficulty swallowing solids), and boiled cow's milk is a very poor source of Vitamin C. Deficiencies may be noted in preterm babies who are on prolonged total parenteral nutrition therapy, children with malnutrition, and those with acute illnesses., Musculoskeletal manifestations such as subperiosteal hemorrhages leading to bone pain and symptoms such as limb pain, swelling over long bones, and progressive leg weakness and fractures are present in 80% of patients with scurvy and are prominent in pediatric population. Dermatological manifestations include petechiae, ecchymoses, hyperkeratosis, and perifollicular hemorrhage., Oral symptoms include gingival disease characterized by swelling, bleeding gums, and loosening of teeth.,, Systemic symptoms of scurvy in children include lassitude and fatigue, failure to gain weight, loss of appetite, and irritability. In addition to these symptoms, deficiency of ascorbic acid may lead to a hypochromic microcytic anemia because of decreased absorption of iron, bleeding, and dietary deficiencies., The diagnosis of scurvy is based on history of poor dietary intake of Vitamin C, classic clinical features and radiological findings, and response to treatment with Vitamin C. Weinstein et al. recommend oral doses of 100–300 mg of Vitamin C daily until body stores are replenished per se rum levels. Daily fruit and vegetable intakes should include a good source of Vitamin C such as citrus fruits. After Vitamin C supplementation, metaphyseal abnormalities will completely resolve. The large shells of periosteal bone are common radiographic findings particularly during the healing phase of disease. Various factors contribute to nutritional deficiencies in nonambulant children with severe spastic cerebral palsy such as poor intake, oral motor dysfunction, feeding problems, and use of antiepileptic drugs.
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Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2]