- Case report
- Open Access
Torsion of a giant pedunculated liver hemangioma mimicking acute appendicitis: a case report
© Ersoz et al; licensee BioMed Central Ltd. 2010
- Received: 16 November 2009
- Accepted: 18 January 2010
- Published: 18 January 2010
Hemangiomas are the most common benign neoplasms affecting the liver. They occur at all ages. Most cases are asymptomatic and do not require any treatment. Rarely, hemangiomas can be pedunculated. İf they undergo torsion and infarction, they become symptomatic. Herein; we report the case of a 31 year old male presenting with features of acute appendicitis: continuous right iliac fossa pain, rebound, guarding tenderness at McBurney' s point, nausea, anorexia, shifted white blood cell count and a Mantrels score of 6. At laparotomy a normal appendix was observed and a torsioned pedinculated liver hemangioma turned out to be the cause.
- Acute Appendicitis
- Acute Abdominal Pain
- Cavernous Hemangioma
- Blunt Abdominal Trauma
Hemangiomas are the most common benign neoplasms affecting the liver with an incidence of 0.4-20% in autopsy series . Women are affected more often than men. The female-to-male ratio is 5:1 to 6:1. They occur at all ages. Most cases are asymptomatic and do not require any treatment. Pedunculated haemangiomas are extremely rare, with only a few cases reported in the literature .
Herein; we report the case of a torsioned giant pedunculated liver haemangioma that mimicked acute appendicitis.
Cavernous hemangioma is the most common benign tumor of the liver. They are probably of congenital origin and have no potential for malignant transformation. Most are diagnosed incidentally and are asymptomatic. Hemangiomas are usually found at the right lobe of the liver in a subcapsular or marginal location. Most hemangiomas are diagnosed incidentally and are small and asymptomatic. Their size usually remains stable and can vary from a few milimetres to more than 20 cm. Lesions larger than 4 cm have been defined as giant hemangiomas .
Giant hemangiomas may cause abdominal discomfort, swelling, abdominal pain, icterus and thrombocytopenia . Very rarely, spontaneous rupture with intraabdominal hemorrhage may create acute abdominal symptoms, which may also occur after rupture due to blunt abdominal trauma. Surgery is the treatment of choice, especially for giant, symptomatic hemangiomas with uncertain diagnosis.
Rarely, hemangiomas can be pedunculated . At ultrasound, the origin of the lesion may be difficult to recognize. The lesion can be attached to the liver with a thin pedicle, which is nearly undetectable at imaging. If they undergo torsion due to their long, mobile pedincule and get infarcted, they may become symptomatic. Pain is the most frequent symptom and most likely occurs from infarction or pressure on surrounding tissues. They can seldom cause pressure symptoms or get ruptured. Definite diagnosis should be made to distinguish it from other causes of acute abdominal pain.
To the best of our knowledge, this present case is the first example of a torsioned pedunculated hemangioma in the literature, mimicking acute appendicitis with a Mantrels score of 6 .
In conclusion, this case report impresses that; even incidentally detected pedunculated hemangiomas must be managed by surgery for their tendency to get torsioned. In addition; the surgeon must look for different ethiologies when a normal appendix is found during operation.
Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
No person and/or instution supported to this manuscript
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