Obgyn Key

Fig. 12.1 Endoscopic view of the right ear with an attic cholesteatoma and pars tensa perforation. (Copyright held by Dennis S. Poe, MD, PhD, Boston Children’s Hospital) Fig. 12.2 Intraoperative…

Fig. 42.1 Embryonal RMS of the right ear. a Cellular spindled cell proliferation of atypical cells with hyperchromatic nuclei and scant, elongated eosinophilic cytoplasm. The tumor is growing under the…

Fig. 2.1 Radiation effect. This adolescent patient underwent orbital extenteration for a rhabdomyosarcoma at the age of 4. She had free tissue transfer elsewhere followed by radiation. This case demonstrates…

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…

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…

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. 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…