Obgyn Key

Fig. 16.1 Encephalocele. a Cut section of encephalocele wall showing skin surface with dermis and epidermis a dense fibrous dura-like band and deep-seated leptomeninges. b Brain tissue covered by a…

(1) Department of Plastic and Oral Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA, USA     Rafael A. Couto Email: arin.greene@childrens.harvard.edu Abstract Arteriovenous malformation is a fast-flow vascular anomaly…

Fig. 31.1 MRI of a 4-month-old infant who presented with right Horner syndrome. T1 coronal (a) and T2 axial (b) images show a mass within the carotid space. Biopsy showed…

Fig. 5.1 Arteriovenous malformation (AVM): a Pulsatile mass of the right cheek. b Arterial and c venous phases of right external carotid angiogram demonstrating high-flow AVM with large draining veins….

Fig. 29.1 Melanoma of the scalp in a 5-year-old girl However, the presentation of pediatric melanoma can be nonspecific, mimicking a benign or dysplastic nevus, a hemangioma, a Spitz nevus, a…

Fig. 4.1 Intensity-modulated radiation therapy (IMRT) plan for a patient with a nasopharyngeal tumor. Upper right panel: dose volume histogram with doses to specific critical structures (chiasm, parotid gland, spinal…

Anatomical site Percentage (%) Floor of mouth 30 Tongue 26 Oropharynx 17 Anterior neck 13 Epiglottis/Vallecula 9 Retropharynx 4 Approximately 50 % of patients with foregut duplication cysts have no symptoms…

Form Serum calcium Serum PTH Notes Primary ↑ ↑ or normal PTH normal in 15 % Secondary ↓ or normal ↑ Assess for etiology Tertiary ↑ ↑ Clinical history gives diagnosis…

Location No. of cases Head   Cheek 175 (50.6 %) Periauricular region 65 (18.8 %) Orbital region 19 (5.5 %) Forehead 15 (4.3 %) Eyelid 13 (3.8 %) Scalp 11 (3.2 %) Temporal region 9 (2.6 %)…

Fig. 9.1 Capillary malformation, face. a Hypertrophic lip with numerous ecstatic thin-walled venules on the superficial submucosa and thick-walled veins with prominent smooth muscle walls in a deeper submucosal location…