Neuroblastoma natural history: Difference between revisions

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Revision as of 15:52, 11 October 2015

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Treatment-resistant diarrhea (due to vasoactive intestinal peptide secretion)
Horner's syndrome (due to cervical sympathetic chain compression)
Opsoclonus myoclonus syndrome and ataxia (due to a paraneoplastic syndrome)
Hypertension (due to either catecholamine secretion or renal artery compression)
Transverse myelopathy (due to tumor spinal cord compression)
Anemia and decreased immunity (due to bone marrow metastasis)

Depending on the extent of the tumor at the time of diagnosis, the prognosis may vary. However, the prognosis of neuroblastoma is generally regarded as poor.
The table below lists the prognostic factors for neuroblastoma patients:^[2]^[1]^[3]^[4]


Prognostic Factor	Description

Patients Age	Patients older than 18 months of age are associated with poor prognosis.
Tumor Stage	Advanced INSS stages of neuroblastoma are associated with poor prognosis.
Tumor Grade	An unfavorable Shimada histology index is associated with poor prognosis.
Schwannnian Stroma	A reduced schwannian stroma background content on histological analysis is associated with poor prognosis.
Mitotic-karyorrhectic Index	A high mitotic-karyorrhectic index is associated with poor prognosis.
Genetics Mutations	Chromosome 1p deletion, chromosome 11q deletion, and N-MYC oncogene amplification are associated with poor prognosis.
Response to Treatment	Patients whose neuroblastoma responds to treatment and goes into complete remission have a better prognosis than people whose cancer does not respond to the initial treatment.

↑ ^1.0 ^1.1 Neuroblastoma. Wikipedia(2015) https://en.wikipedia.org/wiki/Neuroblastoma Accessed on October, 5 2015
↑ Neuroblastoma. Radiopaedia(2015) http://radiopaedia.org/articles/neuroblastoma Accessed on October, 5 2015
↑ Neuroblastoma Treatment for health professionals. National Cancer Institute (2015) http://www.cancer.gov/types/neuroblastoma/hp/neuroblastoma-treatment-pdq#link/_534_toc Accessed on October, 7 2015
↑ Neuroblastoma. Libre Pathology(2015) http://librepathology.org/wiki/index.php/Adrenal_gland#Neuroblastoma Accessed on October, 5 2015

@@ Line 6: / Line 6: @@
 ==Complications==
-* Treatment-resistant diarrhea (vasoactive intestinal peptide secretion, among 4% of cases)<ref name="wiki">Neuroblastoma. Wikipedia(2015) https://en.wikipedia.org/wiki/Neuroblastoma Accessed on October, 5 2015</ref>
+* Complications of neuroblastoma may include:<ref name="wiki">Neuroblastoma. Wikipedia(2015) https://en.wikipedia.org/wiki/Neuroblastoma Accessed on October, 5 2015</ref>
-* Horner's syndrome (cervical sympathetic chain compression, among 2.4% of cases)
+:* Treatment-resistant diarrhea (due to vasoactive intestinal peptide secretion)
-* Opsoclonus myoclonus syndrome and ataxia (paraneoplastic syndrome, among 1.3% of cases)
+:* Horner's syndrome (due to cervical sympathetic chain compression)
-* Hypertension (catecholamine secretion or renal artery compression, among 1.3% of cases)
+:* Opsoclonus myoclonus syndrome and ataxia (due to a paraneoplastic syndrome)
-* Transverse myelopathy (tumor spinal cord compression, among 5% of cases)
+:* Hypertension (due to either catecholamine secretion or renal artery compression)
-* Anemia and decreased immunity (bone marrow metastasis)
+:* Transverse myelopathy (due to tumor spinal cord compression)
+:* Anemia and decreased immunity (due to bone marrow metastasis)
 ==Prognosis==