Radiology Key

Fig. 65.1 Megavoltage dose equivalent in rads (cGy) versus number of treatment fractions for cases of brain radionecrosis. These data were used to derive the neuret formula. Most cases of…

Fig. 27.1 Schloffer’s transnasal transsphenoidal operation. (a) Incision made along the left nasolabial furrow around the left ala nasi and continued up to the glabella. (b) The incision cuts through…

Fig. 12.1 (a) Preoperative CT scan of 1 cm breast cancer. Lumpectomy demonstrated a 1 × 0.7 × 0.5 cm invasive cancer with 7 × 7 × 2 cm lumpectomy specimen with margin of 2 mm. (b) Postoperative…

WHO grade Histological variants % of total meningiomas I—Benign Transitional, fibroblastic, meningothelial, psammomatous, angiomatous, microcystic, secretory, lymphoplasmacyte-rich, metaplastic >90 % II—Atypical Clear cell, chordoid, atypical 5–7 % III—Malignant Anaplastic, papillary,…

Fig. 48.1 (a) Digital subtraction angiography demonstrating the three main components of an AVM: arterial feeding pedicles (small arrow), nidus (circle), draining vein (thick arrow) into the superior sagittal sinus….

  Persistent disease (n = 24) Recurrent disease (n = 24) All (n = 48) Gender Male (n) 17 18 35 Female (n) 7 6 13 Age <50 (n) 14 14 28 ≥50 (n) 10 10…

Fig. 40.1 Pathology slide of a chordoma Immunohistochemistry shows that almost all tumors stain positively for the epithelial membrane antigen, cytokeratins, S-100 proteins, and are negative for HMB-45 and desmin…

Fig. 56.1 Axial T1-weighted contrast-enhanced and T2-weighted MRI scans 4 months following GK thalamotomy In order to discuss the merits of radiosurgical thalamotomy, it is beneficial to consider the role…

Fig. 32.1 (a) Classic lateral portal film outlining the posterior fossa boost for a patient with medulloblastoma (lower): composite craniospinal, posterior fossa, and primary site dose distribution for a standard-risk…

Fig. 61.1 Limbic system: OB olfactory bulb, LOT lateral olfactory striae, INS insula, UB uncinate bundle, DB diagonal band of Broca, AMYG amygdala, SCR subcallosal radiations, HYP hypothalamus, AT anterior…