A Case of Eosinophilic Esophagitis Accompanying Familial Mediterranean Fever.
Eosinophilic esophagitis (EOE) is an inflammatory condition in which there is a dense infiltration of eosinophils more than 15 per high power field (hpf) [1-3]. Presenting symptoms include vomiting, feeding problems, chest or epigastric pain, and dysphagia with occasional food impaction .
Clinical definition is provided by no response of gastroesophageal reflux symptoms to high dose of proton pump inhibitors, a normal PH study, and the spectrum of clinical symptoms characterizing its presentation and differentiating it from other esophageal diseases . Definite diagnosis is based on histology by finding more than 20-40 eosinophils per hpf .
Familial Mediterranean fever (FMF) is an inherited disorder characterized by recurrent, irregular, and self-limited attacks of chest and abdominal pain associated with fever [6, 7]. The gene responsible for FMF is mapped on the short arm of 16p 13.3. It is also designated MEFV (ME for Mediterranean and FV for fever). Approximately 70% of patients with clinical manifestations of FMF are heterozygous and the most common missense mutation is M6947 . Genetic testing for the FMF gen confirms the diagnosis of FMF .
2. Case Presentation
A three-year-and-nine-month-old female patient was referred to our hospital with frequent vomiting, abdominal pain, and episodes of food impaction from 1.5 years ago. She was the first child of healthy nonrelative parents. Her parents did not have allergic history and her delivery was at the age of 35 weeks because of preterm labor. Birth body weight was 2000 g, birth height was 46 cm, and head circumference at birth was 34 cm.
She had a history of poor appetite and poor weight gain from infancy. At the age of 3 years when she was first brought for evaluation, her physical examination was as below:
Body weight was 12 kg (between 5 to 25 percentiles) and head circumference was 95 cm (50-75 percentiles).
Laboratory Findings Revealed. Lab findings were as follows: WBC count: 7280; Hb = 12.2; platelets: 201000; MCV = 79.4 (other indices of CBC were at normal range for age). Biochemistry, liver function, urine analysis/culture, and sediment tests were all normal.
Her abdominal ultrasound did not show any abnormal finding. Evaluation of frequent vomiting and food impaction was performed by upper GI series which showed mild prominence of gastric mucosal pattern and stoppage of barium at pyloric canal. Small bowel follow through and upper endoscopy were both normal. Macroscopic appearance of esophagus, stomach, and duodenum was normal but histological appearance revealed 50-70 eosinophils per hpf of esophagus (EOE).
Stomach and duodenum did not have special pathologic changes. She was given the treatment for EOE, namely, elimination of some foods based on the skin prick test (elimination of milk and dairy products) and proton pump inhibitors administration (PPI).
After the start of treatment significant improvement was observed in appetite, food refusal, and food impaction, but she still had episodes of abdominal pain which was accompanied with fever lasting 3 days every 3-4 months. When we asked parents about a history of fever they indicated a history of low grade fever less than 38.5 Celsius most of the time, detected by parents before diagnosis of EOE, but they believed it was related to viral infection according to previous general physician examinations. They also mentioned rare cases of fever above 39.5 Celsius. There were no other significant findings in history and exam as the family history was negative for inflammatory bowel disease (IBD) or any other inflammatory diseases and no oral ulcer or arthropathy was found in exam.
Subsequently the patient was evaluated for infective diseases and then inflammatory diseases including SLE, IBD, and hyper-IgD syndrome but all studies were negative. At last she was screened for FMF mutation which showed heterozygote mutation at codon V7216A.
Colchicine was started for the patient and clinical response was observed regarding her abdominal pain and periodic fever. At the end of two months follow-up her endoscopy revealed 2-3 eosinophils per hpf of specimen, her gastrointestinal complaints subsided, and her weight gain was improved.
EOE is an inflammatory disease which is characterized by dense infiltration of eosinophils, vomiting, feeding problems, chest and epigastric pain, and dysphagia . Clinical definition is provided by the absence of responsiveness to high dose of PPIs . Definite diagnosis is based on histology .
FMF is characterized by brief but severe self-limiting attacks of abdominal pain and peritonitis, sinusitis, and pleurisy. In the past, diagnosis of FMF was based on clinical manifestations, response to colchicine, and exclusion of other diseases with similar presentation. Nowadays besides clinical symptoms, confirmation of FMF is by mutation analysis [9, 10].
Our patient had EOE evaluation for vomiting, food impaction, and abdominal pain. Because of the continuation of abdominal pain after treatment for EOE and the periodic nature of the disease and fever, FMF was suspected and confirmed by mutation analysis. There are several reports of FMF accompanying other disorders including polyarteritis nodosa, hypereosinophilia, and eosinophilic gastroenteritis [11-13], but there is not enough data to include hypereosinophilia among the diseases that accompany FMF. It should be noted that since the present report is the first report of FMF and EOE being diagnosed in the same patient it might be a coincidental finding. Also FMF and Henoch-Schonlein Purpura (HSP) have been previously reported in patients as coincidental diseases [14, 15]. Today researchers believe some types of vasculitis are more common in FMF and maybe HSP, as the most common vasculitis in children, is a risk factor for recurrent or persistent FMF . To our knowledge this case is the first presentation of FMF and EOE, so this combination should be considered in patients with FMF and unexplained gastroenterologic symptoms of EOE and vice versa. Future reports of this combination of diseases are needed before association between these two diseases could be confirmed.
We have reported a case of eosinophilic esophagitis coexisting with familial Mediterranean fever which has not been described previously.
The authors have no conflict of interests with the subject matter of this manuscript.
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Pejman Rohani, (1,2) Mehri Najafi Sani, (1,3) Mitra Ahmadi, (1) and Vahid Ziaee (3,4)
(1) Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
(2) Department of Pediatrics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
(3) Department of Pediatrics, Tehran University of Medical Sciences, Tehran, Iran
(4) Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran
Correspondence should be addressed to Vahid Ziaee; email@example.com
Received 30 July 2016; Revised 19 December 2016; Accepted 17 January 2017; Published 31 January 2017
Academic Editor: Ozlem Yonem
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|Title Annotation:||Case Report|
|Author:||Rohani, Pejman; Sani, Mehri Najafi; Ahmadi, Mitra; Ziaee, Vahid|
|Publication:||Case Reports in Gastrointestinal Medicine|
|Article Type:||Case study|
|Date:||Jan 1, 2017|
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