Open Access

Spontaneous intraperitoneal hemorrhage as the initial presentation of a gastrointestinal stromal tumor: a case report

  • Benjamin B. Freeman1, 5Email author,
  • Jonathan F. Critchlow2,
  • Steven Cohen3 and
  • Jonathan A. Edlow4
International Journal of Emergency Medicine20103:141

DOI: 10.1007/s12245-009-0141-8

Received: 18 July 2009

Accepted: 4 November 2009

Published: 4 February 2010

Abstract

Background

Spontaneous hemoperitoneum is rare. The most common etiologies are gynecologic, splenic, and hepatic. Gastrointestinal stromal tumors (GISTs) are commonly associated with intraluminal bleeding, but rarely with spontaneous hemoperitoneum. We report a case of spontaneous hemoperitoneum caused by a gastric GIST.

Case report

A 54-year-old male presented with the acute onset of abdominal pain and a drop in hemoglobin. Subsequent evaluation, including a CT, MRI, and EUS, revealed a 1.2-cm mass along the greater curvature of the stomach and associated hemoperitoneum. The patient was taken electively to the operating room for laparoscopic removal of the mass. Pathology confirmed that it was a GIST.

Conclusion

GIST is a rare clinical entity that infrequently presents with spontaneous hemoperitoneum. Emergent treatment should be guided towards treating the spontaneous hemoperitoneum.

Keywords

GIST Spontaneous hemoperitoneum Intraperitoneal hemorrhage

Introduction

Spontaneous hemoperitoneum is a rare and potentially life-threatening entity with an extensive differential diagnosis (Table 1). Gynecologic, splenic, and hepatic etiologies are the most common [1, 2].
Table 1

Differential diagnosis of spontaneous intraperitoneal hemorrhage

Organ system

Differential diagnosis

Gynecological

Ectopic pregnancy

Ruptured ovarian cyst

Uterine leiomyoma/leiomyosarcoma

Ovarian granulosa cell tumor

Ruptured corpus leuteum cyst

Hyperemesis gravidarum

Endometriosis

Spontaneous uterine rupture

Splenic

Chronic myelomonocytic leukemia

Infectious mononucleosis

Spontaneous splenic rupture

Iatrogentic

Spontaneous rupture of splenic vein

Torsion and rupture of wandering spleen

Hamartoma

Primary splenic angiosarcoma

Hepatic

Peliosis hepaticus

Hepatic adenoma/adenomatosis

Hepatocellular carcinoma

Hemangioma

Primary hepatic angiosarcoma

Metastatic cancer

Amyloid

Focal nodular hyperplasia

Biliary

Ruptured cholangiocarcinoma

Transhepatic rupture of gallbladder

Vascular

Ruptured cystic artery pseudoaneurysm

Ruptured splenic artery aneurysm

Segmental mediolytic arteriopathy

Gastric

Mixed cavernous-capillary hemangioma

GIST

Colonic

Meckel’s diverticulitis

GIST

Pancreatic

Ruptured pseudocyst

Miscellaneous

Ruptured benign solitary fibrous tumor

Important gynecologic causes of spontaneous hemoperitoneum include ruptured ectopic pregnancy, ruptured ovarian cyst, and endometriosis [1, 2]. Rare gynecologic causes of spontaneous hemoperitoneum include various benign and malignant neoplasms [3], hemorrhagic corpus luteum cyst torsion [2], and spontaneous uterine rupture in the first trimester of pregnancy [4].

Splenic causes of spontaneous hemoperitoneum include oncologic etiologies such as chronic myelomonocytic leukemia [5], as well as infectious etiologies, such as infectious mononucleosis [6], cytomegalovirus, Epstein-Barr virus, malaria, and rarely Bartonella henselae [1, 2]. In addition, spontaneous splenic rupture is commonly associated with an underlying mass, most commonly a hamartoma [2], or with infiltrative diseases such as amyloidosis and Gaucher’s disease [2].

Rupture of a previously unknown liver lesion, although rare, is a common cause of spontaneous hemoperitoneum [1, 2]. Hepatic adenomas, the most common benign liver lesion associated with spontaneous hemoperitoneum, are most frequently encountered in young females taking oral contraceptives or who are pregnant [1, 2]. Other benign liver lesions known to cause spontaneous hemoperitoneum include giant hemangiomas [1], focal nodular hyperplasia [1, 2], and hepatic adenomatosis, an uncommon condition resulting in multiple large hepatic adenomas not associated with oral contraceptive use [7]. Hepatic amyloidosis rarely causes spontaneous hemoperitoneum [1, 2]. Hepatocellular carcinoma (HCC) is the most common malignant hepatic mass causing spontaneous hemoperitoneum, and is associated with a high mortality [1, 2]. Primary hepatic angiosarcoma is much less likely to bleed than carcinoma [2]. Occasionally, metastatic cancer to the liver causes spontaneous hemoperitoneum [1, 2].

Case report

A 54-year-old male physician in good health developed the acute onset of upper abdominal pain over 15 min after playing basketball. The pain was moderate in intensity and did not radiate to the back. Over the next 12 h, the pain became significantly more intense, but the patient declined to seek medical advice. After the pain persisted at the same intensity for 3 days and became more diffuse, the patient went to an Emergency Department. The patient denied fever, anorexia, nausea, vomiting, diarrhea, constipation, or hemodynamic symptoms. Past medical history was noncontributory. He had no prior abdominal operations.

In the Emergency Department, the patient’s vital signs were normal, and he was in no apparent distress. The physical examination was normal except for moderate diffuse abdominal tenderness with rebound tenderness bilaterally at the upper quadrants. Bowel sounds were normoreactive. The stool was brown and guaiac negative.

Laboratory testing was notable for a hemoglobin of 12.3 (known baseline of 14), a WBC of 10.8, and a slightly elevated amylase of 245. Otherwise, the CBC, electrolytes, liver function testing, and urinalysis were normal. A CT scan of the abdomen revealed hemoperitoneum along the stomach (Fig. 1). Surgery was consulted, but the patient left against medical advice. The next morning, the patient saw a surgeon as an outpatient. His repeat hemoglobin at this point was 11.6, and his amylase had dropped to 125. The surgeon’s plan was to proceed with laparotomy. The patient was reluctant and sought the opinion of another surgeon. Since the patient had been stable for 4 days, the plan was to observe over time, with the rationale that if surgery could be delayed, a successful laparoscopic intervention was more likely. The hemoglobin nadired at 10.2, and by 7 days after the onset of pain, the patient was entirely asymptomatic.
Fig. 1

CT scan of the abdomen revealing hemoperitoneum along the stomach

At day 25, an MRI showed a resolving hemoperitoneum and a 1.2-cm lesion along the greater curvature of the stomach. At this point, the decision was made to perform a laparoscopic resection approximately 6 weeks later, when the hemoperitoneum would be mostly resolved. One week prior to surgery, gastroscopy with endoscopic ultrasound was performed. The ultrasound showed a blood vessel coursing through a submucosal mass, which was thought most likely to be a GIST.

At operation, the patient was found to have a <2 cm irregularly shaped mass in the mid-portion of the greater curvature of the stomach. There was no other possible etiology for the hemoperitoneum. This mass was resected using standard stapling techniques with clear margins. Pathology later revealed a C-kit-positive tumor consistent with a GIST. The tumor was 1.3 cm and had a mitotic index of up to 10 per high powered field. Because of concern about tumor rupture at presentation, the patient was started on adjuvant imatinib mesylate (Gleevac). He has remained free of macroscopic disease for 18 months.

Discussion

Causes of spontaneous hemoperitoneum are varied, but initial Emergency Department treatment should be directed at emergent therapies. Beside the common causes discussed earlier, less common causes include ruptured cystic artery pseudoaneurysm [8], ruptured splenic artery aneurysm [9], and spontaneous variceal rupture due to portal hypertension [1, 2]. Anticoagulation, either due to medication or as a result of congenital blood dyscrasias, can lead to spontaneous hemoperitoneum [1, 2]. Segmental mediolytic arteriopathy, a rare condition of unknown etiology, can involve the colic, mid-jejunal, common hepatic, intrahepatic, and gastric arteries, causing intraperitoneal bleeding [10]. A benign solitary fibrous tumor, which was once considered to be an exclusively thoracic lesion, can also cause hemoperitoneum [11]. Ruptured cholangiocarcinomas can rarely present with spontaneous hemorrhage [12]. A mixed cavernous-capillary hemangioma with central necrosis can occur on the greater curvature of the stomach, accompanied by bleeding and hemoperitoneum [13]. Other rare conditions associated with hemoperitoneum include transhepatic rupture of the gall bladder, which has been described fewer than 20 times in the literature [14]. Intraperitoneal hemorrhage can also be caused by inflammation of a non-perforated Meckel’s diverticulum [15]. Pancreatic pseudocyst is an unusual entity of acute abdomen, usually occurring among alcoholics [16].

Gastrointestinal stromal tumors (GISTs) are rare, accounting for only 0.1–3% of all gastrointestinal malignancies [1719]. The annual incidence of GIST in the US is 4,500 to 6,000 cases per year, or roughly 10 to 20 cases per million people per year [19, 20]. The median age at diagnosis of a GIST is 60 [19, 20]. Primary GISTs arise most commonly in the stomach (50–70%), followed by the small intestine (25–35%), colon and rectum (5–10%) and esophagus (<5%) [21]. Gastric GISTs arise most commonly in the fundus. The clinical presentation of gastric GISTs is varied. Small GISTs <2 cm are generally asymptomatic and are often detected incidentally. Large GISTs can ulcerate and present with gastrointestinal bleeding [2225]. Other common symptoms of GISTs include anorexia, weight loss, nausea, vomiting, early satiety, bloating, and abdominal pain.

Although it is common for GISTs to present with intraluminal bleeding [2225], GISTs presenting with spontaneous hemoperitoneum are rare. We could only find one other case report in the literature of a GIST presenting with hemoperitoneum [26]. Hepatic metastases of a GIST can spontaneously rupture, producing hemoperitoneum [27]. Primary GISTs of the transverse mesocolon have been associated with hemorrhagic shock caused by rupture of the tumor [28].

Conclusion

The differential diagnosis of spontaneous intraperitoneal hemorrhage is broad. GIST is a rare possible etiology. Emergent management of a patient presenting with spontaneous hemoperitoneum involves surgical consultation and resuscitation as necessary. The patient presented in this case report did well with non-operative management followed by surgical resection.

Authors’ Affiliations

(1)
Department of Internal Medicine, Robert Wood Johnson University Hospital
(2)
Department of Surgery, Beth Israel Deaconess Medical Center
(3)
Department of Medicine (Gastroenterology), Beth Israel Deaconess Medical Center
(4)
Department of Emergency Medicine, Beth Israel Deaconess Medical Center
(5)

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