ISSN: 2455-2283
Archives of Clinical Gastroenterology
Case Report       Open Access      Peer-Reviewed

A case Report of Perforated Primary Follicular Lymphoma of the Jejunum presenting as Aneurismal Form

Thomas Marcel Mbar Wade1*, Linda Bentefouet1, Papa Abdoulaye Ba1, Mohamed Lamine Diao2, Adama Berthe1 and Ibrahima Konaté2

1Faculty of Health Sciences of the University of Thies, Thies, Senegal
2Department of General Surgery of Gaston Berger University of St Louis, St Louis, Senegsssal
*Corresponding author: Thomas Marcel Mbar Wade, MD, Faculty of Health Sciences of the University of Thies, 10e RIAOM, BP: 83 Thies RP, Thies, Senegal. E-mail: mbarwade@hotmail.com
Published: 06 February, 2018 | Accepted: 21 February, 2018 | Received: 22 February, 2018
Keywords: Follicular lymphoma; Jejunum; Perforation

Cite this as

Wade TMM, Bentefouet L, Ba PA, Diao ML, Berthe A, et al. (2018) A case Report of Perforated Primary Follicular Lymphoma of the Jejunum presenting as Aneurismal Form. Arch Clin Gastroenterol 4(1): 005-007. DOI: 10.17352/2455-2283.000047

Primary Gastrointestinal Follicular Lymphoma is very rare. It is considered as an indolent lymphoma, but a complication such as a perforation can increase the morbidity and mortality. We report the case of a 57-years-old man who had a perforation primary follicular lymphoma of the jejunum presenting as aneurismal form. He had peritonitis at his admission, and his abdominal CT revealed a massive pneumoperitoneum and a segmental dilatation of the small intestine. The surgical exploration found a segmental dilatation of the jejunum perforated on its ante-mesenteric side with a large mesenteric lymphadenopathy. Histological and immunohistochimical of the samples shown a jejunal follicular lymphoma. The patient died of heart failure 6 months after his surgery before he has started his chemotherapy. There is no consensus for the treatment of gastrointestinal follicular lymphoma, but chemotherapy is the most common strategy. Surgery is performed for a complication such as a perforation. A complication of a gastrointestinal follicular lymphoma contributes to increase the mortality.

Introduction

The gastrointestinal tract is the most common site of extra-nodal non-Hodgkin’s lymphomas (NHL), and B-cell lymphomas are the most frequent [1]. The latest World Health Organization classification of lymphoid neoplasms recognizes many subtypes of B-Cell lymphomas among which follicular lymphoma (FL) [2]. Primary gastrointestinal follicular lymphoma (GI-FL) is very rare and is considered as an indolent B-cell lymphoma. It is mostly asymptomatic, and often diagnosed during a complication such as a perforation. The perforation of GI-FL is unusual but increases significantly the morbidity and mortality. We report a case of perforated primary jejunal follicular lymphoma presented with an aneurismal appearance.

Case Report

A 57-year-old man was received in the Emergency room of Thies Regional Hospital, Senegal, in November 2015 with abdominal pain for 3 days associated with fever. He had a history of intermittent abdominal pain and loss of weight for several months. From his medical story, he is hypertensive with inconsistent treatment. He is non-diabetic, HIV negative and HbsAg negative. On physical examination, his temperature was 38.8 °C and his blood pressure was 150/100 mmHg. Abdominal examination revealed a painful distended abdomen. No mass was palpable. Laboratory tests showed a high white blood cell count at 12.800 E3/uL and anemia at 9.2 g/dl. Abdominal Computed Tomography (CT) revealed a massive pneumoperitoneum, ascites and a segmental dilatation of the jejunum (Figure 1). The patient was admitted in the operating room, and laparotomy was done with midline incision. About 5 liters of reactive fluid were sucked. A segmental dilatation of the jejunum was found at 50 cm from the ligament of Treitz with a perforation on its ante-mesenteric side (Figure 2). There was also a large mesenteric lymphadenopathy with an infiltration of the mesentery (Figure 3). The other segments of gastrointestinal tract, the liver and the spleen were normal. An intestinal resection was not technically feasible due to the extension of the infiltration through the intestine and the mesentery and the presence of a large lymphadenopathy. We instead performed a resection of the perforation margins, then a jejunal suture and intraperitoneal washout. A biopsy of the lymphadenopathy was also done, and the samples sent to the laboratory for histologic study. Post-surgery, the patient suffered a heart failure with dyspnea and edema of legs. A medical treatment was introduced by cardiologists. The intestinal transit had gradually resumed, and the operative wound was normal. The patient was discharged after 26 days from his admission.

Histological examina­tion of the samples showed a diffuse proliferation made of small lymphocytic cells with mild to moderate nucleo-cytoplasmic atypia, and many mitosis. The stroma was scarce, and fibrous (Figure 4). This was compatible with non-Hodgkin’s lymphoma of the small bowel. The immunohistochemical analysis revealed that tumor cells were positive for CD20 and negative for CD3. Based on the findings, the diagnosis of stage II X, E primary follicular lymphoma of the jejunum was made.

The patient was followed by cardiologists and has been seen in surgery at 1 and 3 months from his discharged. He died of heart failure 6 months after his surgery before he has started his chemotherapy.

Discussion

The gastrointestinal tract is the most common site of primary extra-nodal non-Hodgkin’s Lymphoma [3]. Usually it’s 9+B-cell lymphoma, and the diffuse large B-cell lymphoma (DLBCL) is the most frequent. Follicular lymphoma is the second most common subtype of B-cell lymphoma [2,4]. Primary GI- FL without peripherical lymphadenopathy is very rare. Its incidence is estimated at 1-6% of all gastrointestinal NHL [4-6]. However, more cases have been reported in the literature in the last decades. It’s why some authors argue that the incidence of GI-FL is higher [3,4]. The small intestine is the most involved site of GI-FL. Studies show that small intestine is involved in 64 to 94% of cases [5]. Contrary to Lebrun and al [7] who found a special predilection of GI-FL in the terminal ileum, most of the latest GI-FL reported affected the duodenum [4,6,8]. But in many studies, small intestine follicular lymphomas have a predominantly multifocal nature. It is estimated that 70% of patients with GI-FL have multiple lesions along the gastrointestinal tract [4,6]. Indeed, most of the primary GI-FL patients had disease localized to the small intestine, but the disease can be present in the other parts of the GI tract such as the stomach or the colon [3,8]. According to Damaj [1], the high frequency of small intestine involvement is probably related to the relative abundance of normal lymphoid follicles in this region. Our patient had a local infiltration with a large mesenteric lymphadenopathy, and we did not find an involvement of another site in the gastrointestinal tract or spleen, or liver. However, we did not do a bone biopsy, and we could not do an endoscopy to research another location in the gastrointestinal tract because we do not have the proper equipment.

Risk factors like HIV infection, Helicobacter pylori infection or B hepatitis have been found for DLBCL. But, for GI-FL, specific risk factors have not yet been reported [8]. A female predominance is observed in the literature, and mostly, the disease occurs after 55 years [3-5]. The disease is asymptomatic in many of the cases. The diagnosis is mostly done accidently during investigations for another disease or during a complication such as a perforation, bleeding or occlusion. Clinical manifestations are not specific and can be abdominal pain or abdominal mass. Our patient was presenting with peritonitis due to a digestive perforation. Perforation can also be a complication of chemotherapy, and mostly occurs in males [9]. The macroscopic appearance of primary gastrointestinal tract lymphomas is classically polypoid, ulceronodular and infiltrative forms [10]. The aneurismal form is a rare and specific feature of small intestine [11]. However, the macroscopic form does not predict the histological form. Indeed, the diagnosis requires a histological and immunohistochimical study. Our patient had a perforated aneurismal form, and the diagnosis was done after immunohistochimical study.

GI-FL is classified as an indolent lymphoma, but its long-term clinical outcome is unclear [6]. At the time of diagnosis, most patients with GI-FL are in advanced stage III or IV of the Ann Arbor staging system. Only 5%-10% of patients present with early stage disease I or II [12]. Small intestine primary site seems to have longer outcomes than those of the other primary sites [4]. It can be explained by the fact that it has low tendency to disseminate [6]. A complication such as perforation can occur and increases the risk of morbidity and mortality. Higher percentage of perforation occurs in the small intestine compared with stomach or large bowel, but the risk of digestive perforation is lowest in FL compared with B-cell aggressive lymphomas or T-cell lymphomas [9,10,13]. It causes multi-organ failure and delays the initiation of chemotherapy which can lead to the death of the patient [9,13]. The peritonitis due to the perforation of the jejunum of our patient has caused his heart failure which leads to his death.

Due to the rarity of the GI-FL, there is no consensus for the treatment of the disease. Four global therapeutic strategies have been used by the authors: watch and wait attitude, radiation therapy, chemotherapy with or without radiation and surgery [1,8]. Surgery is essentially indicated in case of complication such as perforation. It mostly consists of intestinal resection and end to end anastomosis. This was not technically feasible for our patient because of the infiltration through the intestine and the mesentery and the presence of a large lymphadenopathy. If we performed a resection, it would not be possible to do the anastomosis. Some authors think that surgery could be done before chemotherapy in early stage of a gastrointestinal lymphoma [9]. However, this attitude is controversial for GI-FL due to the high frequency of involvement of multiple subsites. Chemotherapy is the most common attitude in the literature.

Conclusion

GI-FL is very rare. The diagnosis is mostly done during investigations for another disease or during a complication such as a perforation. The disease mostly involves the small intestine, and the duodenum is the most frequent site. GI-FL is classified as an indolent lymphoma, and a perforation is unusual. But the perforation of a GI-FL is serious and contributes significantly to increase the mortality of the disease.

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© 2018 Wade TMM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.