Centella asiatica
Fig. 10.1 RCVS associated with Centella asiatica. Fifty-eight-year-old female presenting 10 days after initial acute thunderclap headache. Symptoms began 48 h after ingestion of a large quantity of Centella asiatica….
Nitrous Oxide (N2O)
Fig. 11.1 Nitrous oxide myelopathy. The patient presented with progressive sensory changes in the extremities after nitrous oxide use. Sagittal (a) T2-weighted MRI shows diffuse high signal within the dorsal…
Surgical Approach in the Treatment of Neuroendocrine Tumours
Fig. 25.1 Sporadic, solitary gastric NET with lymph node metastasis removed by gastric resection (From Åkerstrom et al. [12]) Two thirds of type 3 tumours have infiltrated the muscularis layer…
Cross-Sectional Imaging of Neuroendocrine Tumours
Fig. 8.1 Adrenocortical carcinoma. A 39-year-old lady presented with Cushing’s syndrome and right-sided flank pain. (a) Ultrasound showed a large solid right suprarenal mass (between calipers) abutting the liver, with…
Gastroenteropancreatic Neuroendocrine Carcinoma
Fig. 19.1 (a) Colon NEC with a Ki-67 index of 30 %. (b) Colon NEC with a Ki-67 index of 90 % NEC encompasses mainly two histological entities: small-cell neuroendocrine…
Neuroendocrine Tumors of the Lung
Fig. 10.1 Bronchoscopic visualization of intrabronchial typical carcinoid 10.3.2.2 Histopathology and Immunohistochemistry Typical carcinoids are characterized by organoid, trabecular, insular, palisading, ribbon, or rosette-like growth patterns separated by a fibrovascular…
Pathological Evaluation and Classification of Digestive Neuroendocrine Tumours
1 Neuroendocrine tumour, NET G1 (carcinoid) 2 Neuroendocrine tumour, NET G2 3 Neuroendocrine carcinoma, NEC (small- or large-cell type) 4 Mixed adenoneuroendocrine carcinoma, MANEC 5 Hyperplastic and preneoplastic lesions Adapted…
Pheochromocytoma and Paraganglioma
Syndrome Gene HNPGL sPGL PCC Multiple PGL Bilateral PCC Malignancy risk Parentof origin preference MEN2 RET Extremely rare − ++ − ++ ± − VHL VHL Rare + ++ +…
Thyroid Cancer
Tumors Frequency % 10-year survival (%) Papillary carcinoma 80 93 Classic papillary Follicular variant Macrofollicular variant Oncocytic variant Clear cell variant Diffuse sclerosing variant Solid variant Cribriform carcinoma Papillary carcinoma…
