Fig. 43.1 A midline neck mass illustrating the typical presentation and position for a thyroglossal duct cyst A TGDC can enlarge several centimeters in size but on presentation they are…

Location Associated symptoms Orbital Diplopia with cranial nerve palsy Proptosis Gingival Gingival hypertrophy Gum bleeding Parotid gland Facial nerve palsy [19] Nasal cavity Epistaxis, nasal airway obstruction Temporal bone Facial…

Fig. 1.1 Hemangioma. Post contrast sagittal fat-suppressed T1W image in a 6 month-old male demonstrates a large midline subcutaneous hemangioma over the forehead, characterized by marked enhancement and prominent signal…

Fig. 23.1 Light microscopy of neuroglial hamartoma. a Mature neuroglial tissue with ribbons of ganglionic elements. b Immunohistochemically, ganglion cells with neuritic and axonal processes are strongly immunoreactive for S100…

Inflammatory Radicular cyst (Apical, lateral, and residual cyst) Paradental cyst (Inflammatory collateral, mandibular infected buccal, or buccal bifurcation) Developmental Dentigerous (follicular) cyst Eruption cyst Gingival cysts of infants (newborn) Calcifying…

Fig. 41.1 Coronal (a) and Axial (b) T2 images showing a large angiosarcoma in the left temporal fossa (arrows) in a 16-year-old adolescent male Routine spin-echo (SE) T1- and T2…

Fig. 40.1 Frequency of primary sites of osteosarcoma according to age. (Data obtained from SEER 17 database) [30] Clinical Presentation When all HNOS, pediatric and adult, are considered together, tumors…

Fig. 37.1 3-year-old boy presenting with left leukocoria A small proportion of patients with bilateral disease (5–6 %) carry a deletion involving the 13q14 locus, which is large enough to be…

Primary author (year of publication) Study duration (years) Pediatric malignancies (number) Castro 1972 34 19 Dahlqvist 1982 22 9 Byers 1884 37 26 Baker 1985 25 13 Shikhani 1988 30…

Fig. 45.1 Venous malformation, neck. a Intramuscular VM composed of large, irregular, thin-walled channels. A phlebolith is indicated by arrows. b The channels vary in size and are arranged back…