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Neuroendocrine tumor Clinical manifestations Dianosis Gold

standard

Other features
Symptoms Signs Blood & Urine Gross Histology Immunohistochemistry Imaging Others
Medullary thyroid carcinoma[1][2][3]
  • Dysphagia
  • Hoarseness
  • Respiratory difficulty
  • Flushing
  • Diarrhea
  • Weight loss
  • Palpable neck mass
  • Signs of Cushing syndrome
  • ↑ Calcitonin
  • ↑ Serum calcium
  • ↑ or - Cortisol
  • ↑ CEA level
  • White or gray in color
  • Firm to palpation
  • Nests of uniform cells
  • Deposition of stromal amyloid
  • Granular chromatin
  • C-cell hyperplasia
  • Calcitonin
  • Chromogranin A
  • Carcinoembryonic antigen (CEA)
  • Solid thyroid nodule (US)
  • CT scan/MRI and PET scan for metastatis
  • Genetic testing
  • FNA cytology with immunohisto-

chemistry and

calcitonin levels

  • Associated with MEN 2A and 2B
  • Familial association with RET mutations
  • May present as Cushing syndrome
Pheochromocytoma[4][5][6][7]
  • Headaches
  • Palpitations
  • Excessive sweating
  • Anxiety
  • Pallor
  • Pain in chest/abdomen
  • Weakness, fatigue
  • Nausea/vomiting
  • Dizziness
  • Paresthesias
  • Constipation (rarely diarrhea)
  • Visual disturbance
  • Hypertension
  • Postural hypotension
  • Tachycardia or reflex bradycardia
  • Tremulousness
  • Pallor
  • Flushing (rare)
  • Weight loss
  • Fasting hyperglycaemia
  • Decreased GI motility
  • Pallor
  • ↑ Respiratory rate
  • Psychosis
  • ↑ Plasma and urine catecholamines
  • ↑ Plasma and urine metanephrines
  • ↑ Chromogranin A
  • ↑ Plasma methoxytyramine
  • N/A
  • Loosely cohesive clusters
  • Scattered tumor cells with prominent anisokaryosis, abundant eosinophilic granular cytoplasm and indistinct cell borders
  • Occasional binucleate cells
  • Chromogranin A (CGA)
  • Protein gene product (PGP) 9.5
  • Synaptophysin (SYN)
  • CD56 (also known as neural cell adhesion molecule or N-CAM)
  • Glial fibrillary acidic protein (GFAP)
  • Heterogeneous appearance, often with some cystic areas. Calcifications or hemorrhage may also be present (CT)
  • T2-bright lesions, with/without cystic or necrotic components (MRI)
  • Cystic or solid with necrotic areas or hemorrhages (U/S)
  • Genetic testing
  • Provacative glucagon test
  • Clonidine suppression test
  • Metaiodobenzyl-guanidine scintigraphy
  • PET scan
  • Octereoscan
  • Plasma and urine catecholamines & metanephrines combined with clinical findings
  • May mimic panic attack
  • May be associated with Von Hippel-Lindau disease, MEN type 2 and Neurofibromatosis type 1.
  • Arise from the chromaffin cells
Merkel cell carcinoma[8][9][10]
  • Asymptomatic red-to-violet nodules
  • Violaceous nodule
  • Ulcerated Nodule
  • Lympadenopathy
  • Seropositivity for Merkel cell polyomavirus
  • Anti-ST antibodies
  • Dermal and subcutaneous nodule
  • Monomorphic cells with 3 main types — small-cell, trabecular and intermediate
  • May show necrosis & pleomorphism
  • Epidermotropism
  • Chromogranin-A
  • Synaptophysin
  • Cytokeratin 20 (CK20)
  • Merkel cell polyomavirus (MCPyV) large T antigen
  • U/S, CT scan, MRI and PET scan for metastasis
  • N/A
  • Biopsy with immunohisto-chemistry
  • Higher mortality than melanoma
  • ↑ Risk in immun-compromised
Parathyroid adenoma[11][12][13]
  • Depression
  • Memory loss
  • Fatigue
  • Sleep problems
  • Bone or muscle pains
  • GERD
  • ↓ concentration
  • Renal colic
  • Constipation
  • Nephrolithiasis
  • Nephrocalcinosis
  • osteopenia
  • osteoporosis
  • ↑ Serum and urinary Calcium
  • ↑ or N/L PTH
  • Enlarged
  • smooth
  • Soft
  • Reddish brown in color
  • Discrete with thin fibrous capsule
  • May be multinodular and irregular
  • Proliferation of a single cell type with solid to pseudo-glandular, follicular, and acinar structure
  • Chromogranin
  • Parathyroid hormone
  • Enlarged gland on U/S and 99mTc-sestamibi scintigraphy
  • Single photon emission computed tomography
Staining for
  • bcl-1
  • Ki67
  • p27
  • parafibromin
  • Biopsy
  • Associated with MEN
  • Associated with HPRT
Paraganglioma
  • Headaches
  • Palpitations
  • Tinnitus
  • Decreased hearing
  • Localized pain
  • GI & intracranial hemorrhage
  • Cardiomyopathy Generalized weakness
  • Pallor
  • Hypertension
  • Localized mass
  • Orthostasis
  • Incidentalomas
  • Cranial nerve palsies
  • Clear margins
  • Encapsulated
  • Honeycomb or nests patterns separated by broad bands of fibrous tissue
  • Prominent vascularization
  • Argyrophilic fibers
  • Chromogranin A
  • Synaptophysin
  • CD56
  • S-100
  • Cytokeratin
  • Mass with an un-enhanced density
  • Internal Hemorrhage
  • Cystic changes
  • Necrosis
  • Internal calcifications
Pituitary gland tumors
Neuroendocrine tumors of the ovaries or testicles
Thymic neuroendocrine cancer
Lung neuroendocrine tumors Typical carcinoid tumours
Atypical carcinoid tumours
Large cell lung neuroendocrine carcinomas
Small cell lung neuroendocrine carcinomas
Pancreatic neuroendocrine tumours Gastrinoma
Insulinoma
Glucagonoma
Somatostatinoma
VIPoma
ACTHoma
Gastric neuroendocrine tumors Type I GNET
Type II GNET
Type III GNET
Type IV GNET
Duodenal neuroendocrine tumors Gastrinomas
Somatostatinomas
Gangliocytic paraganglionomas
Nonfunctioning NET
neuroendocrine carcinomas
Jejuno-Ileal neuroendocrine tumors
Appendix neuroendocrine tumors
Colon neuroendocrine tumors
Rectum neuroendocrine tumors

References

  1. Segura S, Ramos-Rivera G, Suhrland M (2018). "Educational Case: Endocrine Neoplasm: Medullary Thyroid Carcinoma". Acad Pathol. 5: 2374289518775722. doi:10.1177/2374289518775722. PMC 6024338. PMID 29978018.
  2. Roy M, Chen H, Sippel RS (2013). "Current understanding and management of medullary thyroid cancer". Oncologist. 18 (10): 1093–100. doi:10.1634/theoncologist.2013-0053. PMC 3805151. PMID 24037980.
  3. Chen H, Sippel RS, O'Dorisio MS, Vinik AI, Lloyd RV, Pacak K (August 2010). "The North American Neuroendocrine Tumor Society consensus guideline for the diagnosis and management of neuroendocrine tumors: pheochromocytoma, paraganglioma, and medullary thyroid cancer". Pancreas. 39 (6): 775–83. doi:10.1097/MPA.0b013e3181ebb4f0. PMC 3419007. PMID 20664475.
  4. Martucci VL, Pacak K (2014). "Pheochromocytoma and paraganglioma: diagnosis, genetics, management, and treatment". Curr Probl Cancer. 38 (1): 7–41. doi:10.1016/j.currproblcancer.2014.01.001. PMC 3992879. PMID 24636754.
  5. Kantorovich V, Pacak K (2010). "Pheochromocytoma and paraganglioma". Prog. Brain Res. 182: 343–73. doi:10.1016/S0079-6123(10)82015-1. PMC 4714594. PMID 20541673.
  6. Miller AD, Masek-Hammerman K, Dalecki K, Mansfield KG, Westmoreland SV (November 2009). "Histologic and immunohistochemical characterization of pheochromocytoma in 6 cotton-top tamarins (Saguinus oedipus)". Vet. Pathol. 46 (6): 1221–9. doi:10.1354/vp.09-VP-0022-M-FL. PMID 19605896.
  7. Kantorovich V, Eisenhofer G, Pacak K (December 2008). "Pheochromocytoma: an endocrine stress mimicking disorder". Ann. N. Y. Acad. Sci. 1148: 462–8. doi:10.1196/annals.1410.081. PMC 2693284. PMID 19120142.
  8. Becker JC, Stang A, DeCaprio JA, Cerroni L, Lebbé C, Veness M, Nghiem P (October 2017). "Merkel cell carcinoma". Nat Rev Dis Primers. 3: 17077. doi:10.1038/nrdp.2017.77. PMC 6054450. PMID 29072302.
  9. Han SY, North JP, Canavan T, Kim N, Yu SS (December 2012). "Merkel cell carcinoma". Hematol. Oncol. Clin. North Am. 26 (6): 1351–74. doi:10.1016/j.hoc.2012.08.007. PMID 23116583.
  10. Amaral T, Leiter U, Garbe C (December 2017). "Merkel cell carcinoma: Epidemiology, pathogenesis, diagnosis and therapy". Rev Endocr Metab Disord. 18 (4): 517–532. doi:10.1007/s11154-017-9433-0. PMID 28916903.
  11. Wieneke JA, Smith A (December 2008). "Parathyroid adenoma". Head Neck Pathol. 2 (4): 305–8. doi:10.1007/s12105-008-0088-8. PMID 20614300.
  12. Madkhali T, Alhefdhi A, Chen H, Elfenbein D (2016). "Primary hyperparathyroidism". Ulus Cerrahi Derg. 32 (1): 58–66. doi:10.5152/UCD.2015.3032. PMC 4771429. PMID 26985167.
  13. Costa-Guda J, Arnold A (April 2014). "Genetic and epigenetic changes in sporadic endocrine tumors: parathyroid tumors". Mol. Cell. Endocrinol. 386 (1–2): 46–54. doi:10.1016/j.mce.2013.09.005. PMC 3943641. PMID 24035866.