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. 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. 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. 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…

Fig. 20.1 Oblique sonogram of a 16-week gestational age fetus demonstrates a 1 cm teratoma emanating from the right cheek into the amniotic fluid of an otherwise healthy 30-year-old gravida 4,…

  Symptoms 1. Nasal Unilateral nasal obstruction (70 %) Epistaxis (50 %) Unilateral nasal mass Rhinorrhea Anosmia (5 %) 2. Neurologic Headaches Cranial nerve paralysis 3. Ophthamologic Proptosis Visual disturbance Excessive lacrimation 4….

Fig. 38.1 Rhabdomyoma of neck. a Cut surface of lobulated soft tissue mass with a meaty appearance and a red and white-gray color. The mass had a soft rubbery consistency…