Although all neurogenic tumors have similar clinical and radiologic findings, predominant or specific features are present in each type. [pubs.rsna.org]

[…] the peritoneum, pericardium, anus, and paranasal sinuses.2 The benign form is 3 to 4 times more common than the malignant form.3 Extrapleural SFTs have been reported to occur slightly more frequently in men than women, and the mean age of patients at presentation [ncbi.nlm.nih.gov]

• Virilization

  Hormonally active forms have been reported, and the secretion of catecholamines, vasoactive intestinal polypeptides, or androgenic hormones explains such symptoms as hypertension, diarrhea, and virilization (,8,,9). [pubs.rsna.org]

• Abdominal Mass

  An abdominal mass is an abnormal growth in the abdomen. An abdominal mass causes visible swelling and may change the shape of the abdomen. [healthline.com]

  Causes Several conditions can cause an abdominal mass: Abdominal aortic aneurysm can cause a pulsating mass around the navel. [mountsinai.org]

  CASE REPORT A 43-year-old male was referred to our department because of an abdominal mass lesion. Recently he had begun to experience epigastric pain, abdominal fullness, and vomiting episodes, especially after heavy meals. [ncbi.nlm.nih.gov]

  Otherwise, abdominal pain or the palpation of an abdominal mass is the most common clinical feature. [pubs.rsna.org]

• Abdominal Pain

  Home Care All abdominal masses should be examined as soon as possible by the provider. Changing your body position may help relieve pain due to an abdominal mass. [mountsinai.org]

  Otherwise, abdominal pain or the palpation of an abdominal mass is the most common clinical feature. [pubs.rsna.org]

• Acute Abdomen

  Acute abdomen. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 20th ed. Elsevier; 2017:chap 45. Version Info Last reviewed on: 10/8/2018 Reviewed by: Linda J. [mountsinai.org]

  Rarely, spontaneous rupture of a pheochromocytoma or paraganglioma can be the cause of lethal retroperitoneal hemorrhage, manifesting as acute abdomen (,,,Fig 8) (,24,,25). [pubs.rsna.org]

• Nausea

  […] form in weak places in the intestines and colon hydronephrosis — an enlarged kidney due to the backup of urine enlarged liver splenic enlargement Signs of an abdominal mass include: swelling in the area affected pain in the abdomen abdominal fullness nausea [healthline.com]

• Diarrhea

  Hormonally active forms have been reported, and the secretion of catecholamines, vasoactive intestinal polypeptides, or androgenic hormones explains such symptoms as hypertension, diarrhea, and virilization (,8,,9). [pubs.rsna.org]

• Hypertension

  Although their true prevalence is unknown, pheochromocytomas are thought to be the cause of hypertension in approximately 0.1%–0.5% of patients with newly diagnosed hypertension. [pubs.rsna.org]

• Sweating

  The classic triad of headache, palpitation, and excessive sweating is seen during the paroxysmal hypertensive crisis. [pubs.rsna.org]

If there are multiple masses in the abdomen, you may need several forms of treatment or surgical procedures to eliminate the masses. Cancerous masses may come back after treatment. [healthline.com]

Surgical treatment for abdominal neuroblastoma in the laparoscopic era. Surg Endosc 2001; 15:751-754. Crossref, Medline, Google Scholar 5 Salomon L, Rabii R, Soulie M, et al. [pubs.rsna.org]

Their prognosis and their response to therapy are significantly more favorable than those of neuroblastomas (,14). [pubs.rsna.org]