Multiseptate Gallbladder in a Patient with Biliary Dyskinesia

Abstract

Biliary dyskinesia due to a multiseptate gallbladder has been rarely described in literature. Septations within the lumen of the gallbladder can lead to bile resistance, causing symptoms of abdominal pain, nausea, and vomiting. The majority of cases are due to congenital malformation during the development of the gallbladder. Ultrasound (US) is usually sufficient to make the diagnosis, although other imaging techniques can be used for confirmation. We present the case of a 60-year-old female who presented to the emergency room (ER) with biliary pain due to septations in the lumen of her gallbladder.

Keywords

multiseptate gallbladder - biliary dyskinesia - biliary colic - congenital malformation

Introduction

Evaluation of the older patient with abdominal pain can present as a unique challenge to the emergency room (ER) physician. Abdominal pain is a common complaint in the emergency departments, comprising approximately 5% of total visits.[1] Although rare, abdominal pain can sometimes be caused by anatomical or congenital malformations. In our article, we present and describe the case of acute abdominal pain due to a multiseptate gallbladder. A multiseptate gallbladder is characterized by multiple thin septa within the gallbladder lumen, creating different sized chambers. First described in 1963 by Simon and Tandon,[2] the multiseptate gallbladder has been described as one of the rarest congenital malformations of the gallbladder. Septa have been reported to be single or multiple.[3] Some common presenting features include right upper quadrant (RUQ) abdominal pain, nausea, and vomiting; however, the patient can sometimes present as asymptomatic in which imaging studies will make the discovery. The cause appears to be congenital; nonetheless, a few mechanisms have been postulated.

Case Report

A 60-year-old female presented to the ER with a complaint of abdominal pain. The patient reported pain located in the RUQ radiating to the right flank. The pain was described as sharp and stabbing, rated at 10/10, and associated with nausea and vomiting. Symptoms were worsened by movement with no alleviating factors. Past medical history of the patient included arthritis, asthma, insulin-dependent diabetes mellitus (IDDM), gout, hyperlipidemia, hypertension, hypothyroidism, and seizures. Vital signs on arrival to the ED were BP of 131/64, pulse of 94, respiratory rate of 20, and temperature of 98.9. On physical examination, the abdomen was nondistended with normal bowel sounds. Upon palpation, tenderness was noted in the right upper and lower quadrant with voluntary guarding. There was no rebound tenderness; however, Murphy’s sign was present. Labs ordered showed amylase and lipase within normal limits and white blood cell count within the normal range. RUQ ultrasound (US) showed septations within the gallbladder lumen that divided the gallbladder into few chambers. This was viewed precisely in the transverse and sagittal plane using the GE Vivid S70 Ultrasound Machine, manufactured in the USA ([Figs. 1] [2]). Furthermore, the gallbladder was normal in size with normal wall thickness. US showed no pericholecystic fluid with normal sonolucency and no signs of gallstones. With these findings, biliary dyskinesia due to multiseptate gallbladder was diagnosed. The patient received IV fluids, ketorolac, and morphine for pain control. Her condition subsequently improved, and she was discharged home for outpatient follow-up. No upper endoscopy was performed.

Fig. 1 Gallbladder ultrasound showing septations in the transverse plane.

Fig. 2 Gallbladder ultrasound showing septations in the sagittal plane.

Discussion

Undifferentiated abdominal pain remains the diagnosis for approximately 25% of patients discharged from the ED and between 35 to 41% of those who are admitted to the hospital.[4] [5] [6] [7] The reported incidence of gallbladder anomalies is only 0.1%.[8] In our report, we presented the case of abdominal pain caused by a rare congenital malformation of the gallbladder. The congenital malformations of the gallbladder are classified as anomalous forms, abnormal position, and absence.[9] The multiseptate gallbladder is a type of rare anomaly form, first described by Simon and Tandon in 1963.[2] The referred patient presented to the ER with severe biliary-like abdominal pain and was found to have a multiseptate gallbladder on US imaging. Septations in the gallbladder form due to incomplete vacuolization of the cystic bud during development or excessive “wrinkling” of the wall of the gallbladder.[10] [11] The small cavities in a multiseptate gallbladder communicate freely with each other, but the thick and viscid bile encounters resistance to passage through small openings of the septa.[12] It is due to this reason that the multiseptate gallbladder can cause abdominal pain in patients. While there have been reports that described asymptomatic cases,[13] most patients still present with acute abdominal symptoms such as RUQ pain, nausea, vomiting, anorexia, fever, and miscellaneous gastrointestinal symptoms. In our case, it appears that the patient's gallbladder had septa primarily responsible for the biliary dyskinesia and abdominal pain. RUQ ultrasound of the gallbladder is usually sufficient to establish diagnosis, although other imaging such as CT, magnetic resonance cholangiopancreatography (MRCP), and endoscopic retrograde cholangiopancreatography (ERCP) have been utilized in a few cases. The essential diagnostic features are multiple fine, nonshadowing septa that bridge the gallbladder lumen.[13] The pattern of septa may significantly vary from one case to another. While the septa may present in the entire gallbladder, there have been some cases where the septa were confined only to the neck, body, or fundus. Our case presented multiple thin septa throughout the lumen of the gallbladder using an US machine.

Conclusion

In conclusion, the multiseptate gallbladder is a rare cause of abdominal pain in the ED. We presented a case where severe abdominal pain was caused by septa within the body of a gallbladder. Most reported cases have described a congenital cause as a possible explanation of this finding, usually due to incomplete vacuolization of the cystic bud. Abdominal pain arises due to bile encountering resistance, as it passes through the septa causing distension and pressure over the gallbladder walls. Cases usually present with severe abdominal pain, nausea, and vomiting, and US is considered to be the most sufficient modality to make the diagnosis.

Conflict of Interest

None declared.

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Publication History

Article published online:
14 August 2020