Obgyn Key

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…

Fig. 14.1 Dermoid age presentation Embryology Three proposed etiologies [1, 3] Acquired implantation. Traumatic implantation of skin into the deeper layers resulting in formation of a dermal cyst lined with…

Fig. 26.1 Typical involvement of the scalp by LCH in a young child, showing an erythematous plaque with significant desquamation and scaling Children under 3 years of age are more…

Fig. 44.1 Histopathology of papillary carcinoma. a Distinct branching papillae with delicate fibrovascular cores and occasional psammoma bodies (arrow). b Nuclei are typically large, crowded (on top of each other),…

Fig. 24.1 Types of vascular tumors. a Two-month-old female child with a superficial infantile hemangioma (IH) of the cheek. b Five-month-old female child with a deep IH without overlying skin…

Fig. 21.1 Frontal (a) and submental (b) photograph of 12-year-old girl with left mandibular swelling Fullness in vestibule (Fig. 21.2) Fig. 21.2 Intraoral photograph demonstrates fullness in left buccal vestibule Loose…

Fig. 36.1 Magnetic resonance imaging (MRI) appearance of Rathke’s cleft cyst (RCC), with sagittal (a) and coronal (b) T2-weighted images. Note lesion rising out of sella (black arrow) and compressing…

Fig. 18.1 G Protein-coupled receptor activation and inactivation pathway. a In its inactive state, the Gsα is bound to guanosine diphosphate (GDP) and βγ subunits. b Agonist binding to the…