Small bowel carcinoid tumors
often manifest with intermittent abdominal pain, which can be caused by fibrosis of the mesentery, intestinal obstruction, or kinking of the bowel.
To differentiate GCC from standard appendix carcinoid tumors
, measurement of the amount of mucin production can be useful.
Pietanza et al., "Recurrence of pulmonary carcinoid tumors
after resection: implications for postoperative surveillance," Annals of Thoracic Surgery, vol.
There is still debate concerning the carcinogenesis of primary testicular carcinoid tumors
since the presence of NE cells in the testis has not been yet described with hypotheses postulating the origin to be the same precursor cell as Leydig cells, while others attributing it to a chromosomal abnormality [7, 13].
Wilson, "Chronic subacute bowel obstruction caused by carcinoid tumor
misdiagnosed as irritable bowel syndrome," Cases Journal, vol.
Li, "Familial carcinoid tumors
and subsequent cancers: a nation-wide epidemiologic study from Sweden," International Journal of Cancer, vol.
Mucinous adenocarcinoma and strumal carcinoid tumor
arising in one mature cystic teratoma of the ovary with synchronous cervical cancer.
According to the American Society of Clinical Oncology, about 12,000 people in the US are diagnosed with a carcinoid tumor
(5,7) The diagnosis of carcinoid tumors
is often difficult because of their low incidence and vague symptomatology.
GCT is commonly misdiagnosed as carcinoid tumor
, with both tumors being mucosal or submucosal in location and having similar endoscopic findings.
Case Karyotype Age at diagnosis, yrs 1 46,XX,del(5)(p14) 20 2 46,XY,del(5)(p14) 10 3 46,XX,del(5)(p13) 50 4 46,XX,del(5)(?) 31 5 46,XY,del(5)(p14) 8 Case Neoplasia 1 Papillary thyroid cancer 2 Gastric carcinoid tumor
3 Breast cancer 4 Breast cancer Other benign condition 5 Cholesteatoma
Nishino et al., "Chemotherapy for locally advanced and metastatic pulmonary carcinoid tumors
," Lung Cancer, vol.