Saudi Journal of Gastroenterology
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CASE REPORT Table of Contents   
Year : 2010  |  Volume : 16  |  Issue : 1  |  Page : 43-45
Trichosporon peritonitis following duodenal perforation


Department of Microbiology, Sri Venkateswara Institute of Medical Sciences, Tirupati - 517 507, Andhra Pradesh, India

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Date of Submission08-Apr-2008
Date of Acceptance15-Mar-2009
Date of Web Publication8-Jan-2010
 

   Abstract 

Fungal peritonitis, which was once a rare entity, is becoming increasingly common due to various immunocompromised conditions. Candida species are considered the common cause of fungal peritonitis in most cases. However, at present, other yeasts and filamentous fungi are replacing the dominance of Candida albicans as well as other Candida species. Trichosporon species are widely distributed in nature and are normal flora in the gastrointestinal tract of humans. Ever since the report of disseminated trichosporonosis in 1970, several cases of infections by various Trichosporon species in different clinical patients have been published. Here, we present a patient with Trichosporon peritonitis after duodenal perforation. To the best of our knowledge, this is the first case report of its kind from India.

Keywords: Duodenal perforation, fungal peritonitis, Trichosporon

How to cite this article:
Kalawat U, Sharma KK. Trichosporon peritonitis following duodenal perforation. Saudi J Gastroenterol 2010;16:43-5

How to cite this URL:
Kalawat U, Sharma KK. Trichosporon peritonitis following duodenal perforation. Saudi J Gastroenterol [serial online] 2010 [cited 2019 Sep 17];16:43-5. Available from: http://www.saudijgastro.com/text.asp?2010/16/1/43/58768


Fungal peritonitis is an uncommon entity, but it has serious consequences in patients with peritoneal dialysis and intra-abdominal pathological conditions. [1] Trichosporon-the basidiomycetous yeast-is a medically important genus, which includes some of the pathogens that cause infections in immunocompetent host and disseminated infections in immunocompromised hosts. [2] Trichosporon species are soil inhabitants and common colonizers of skin and gastro-intestinal tract. Trichosporon species are widely distributed in nature and are commonly isolated from soil and other environmental sources. They are also commensals in human gastrointestinal and respiratory tracts. [3]

The first case of disseminated trichosporonosis was reported in 1970 by Watson et al. [4] in a case of leukemia. Since then several reports of Trichosporon infection in immunocompromised patients have been published. [5] More recently, Ahmad et al., characterized Trichosporon species from various clinical samples from Kuwait. This report indicates the ability of this opportunistic fungus in causing infection in a variety of patients by different routes. [6]

Most commonly, T. asahii has been reported, with the other species being T. inkin, T. asteroids, T. cutaneum and T. mucoides.[7] We report a patient with peritonitis that was caused by T. asahii. To our knowledge, this is the first case report of peritonitis following soft tissue rupture caused by T. asahii from South India.


   Case Report Top


A 50-year-old male agriculturist by occupation was referred to our hospital for ventilatory support and management of renal failure. The patient had undergone exploratory laparotomy for generalized peritonitis and duodenal perforation two days ago in a general hospital; in this hospital, he was admitted with a history of intermittent epigastric pain for 5 years for which he was taking antacids for the last two years on the prescription of a local doctor.

At the time of admission in the general hospital, the patient had renal failure with hypokalemia and complained of severe abdominal pain and a decreased urine output for the last 5 days, with no history of fever or chest pain. He was detected as having hollow viscus perforation for which exploratory laparotomy was performed on him on the same day. After surgery, the patient had oliguria, puffiness of face and breathlessness, severe metabolic acidosis, hypotension, altered sensorium and fever; hence, he was referred to the tertiary care hospital for management of acute crisis. He was put on ventilatory support and antibiotics (aztreonam, metronidazole and intravenous fluids) considering bacterial peritonitis. Despite all these measures, the patient's condition deteriorated.

Peripheral blood examination showed normocytic normochromic anemia with elongated cells, stomatocytes and target cells. The results of laboratory examinations were as follows: Neutrophilic leucocytosis (WBC, 16,300/mm 3 ); thrombocytopenia (platelets, 95 lakhs/mm 3 ; ESR, 36 mm in the first hour by Wintrobe's method; serum urea, 204 mg/ dl; serum creatinine, 8.2 mg/dl; Na + , 135 meq; K + , 6.2 meq; total bilirubin, 3.1 mg/dl; conjugated bilirubin, 1.1 mg/ dl. Ultra - sonography of the abdomen revealed mild parenchymal renal disease, minimal perisplenic collection in the abdomen and dilated intrahepatic biliary ducts. Under all aseptic precautions, single lumen 16-G, 8-inch (20 cm) catheter was placed in the right inguinal vein under local anesthesia. Urine microscopy showed 2-3 pus cells/HPF. Peritoneal fluid Gram stain smear showed occasional pus cells with few budding yeast cells and many barrel-shaped arthroconidia [Figure 1]. Blood culture was sterile after 24 hours.

Peritoneal fluid culture showed whitish wrinkled colonies with indefinite size and shape on blood agar after 24 hours at 37░C. The growth on MacConkey resembled that on blood agar, but was less luxuriant than growth on blood agar. Gram staining of the colonies showed barrel-shaped arthroconidia with few budding yeast cells. [1] Sugar fermentation, urease test was (+/−) and slide culture on corn meal agar was performed for further identification [Figure 2]. [2] On the basis of these tests, the isolate was identified as T. beigelii.


   Discussion Top


Invasive infections by rare and opportunistic fungi are becoming increasingly common in immunocompromised individuals and the treatment is a challenge to the treating physician. The increasing incidence may be a result of multiple factors including the use of invasive surgical procedures and prosthetic materials, such as prosthetic heart valves, central venous catheters and intensive chemotherapy, which exaggerates immunosuppression. Because of immunosuppressed status of the patient, several nonpathogenic fungi prevalent in the environment can cause life-threatening infections.

Fungal pathogens are uncommon isolates in the setting of peritonitis. Peritonitis secondary to perforation of gastrointestinal tract with gross contamination is becoming increasingly common. Candida species are the most common culprits of fugal peritonitis; however, other yeasts and filamentous fungi are uncommon. [8] Almoujahed et al., reported 15 cases of fungal peritonitis after gastrointestinal perforation or anastomotic leakage, of which one was due to T. pullulans.[1] Sanjay Gupta and Robin Kausik had analyzed the site and causes of perforations. They reported the duodenum as the most frequent site of perforation associated with peritonitis. [9] The causative agents of peritonitis differ at different perforation sites. Gastroduodenal perforations have been reported to be most commonly associated with fugal peritonitis. [10]

In our patient, there was a long history of epigastric pain and intake of antacids, followed by sudden onset of unbearable pain that was recognized as due to perforation of duodenum, leading to acute peritonitis.

Fungal peritonitis is most commonly caused by Candida species, but prophylaxis with fluconazole in patients prone to recurrent gastrointestinal perforations or anastomotic leakages has reduced the incidence of Candida peritonitis, because of which the rare opportunistic fungi are becoming increasingly common. Thus, whenever fungal peritonitis is suspected, fungi other than Candida species should also be kept in mind.

 
   References Top

1.Almoujahed MO, Riederer K, Baran Jr J. Fungal peritonitis at a tertiary care community teaching hospital: Epidemiology, treatments, and outcome over a 3 year time span. Mycoses 2004;47:200-2.  Back to cited text no. 1      
2.Chowdhary A, Ahmad S, Khan ZU, Doval DC, Randhawa SR. Trichosporon asahii as an emerging etiologic agent of disseminated Trichosporonosis: A case report and an update. Indian J Med Microbiol 2004;22:2216-22.  Back to cited text no. 2      
3.Hoy J, Hsu KC, Rolston K, Hopfer RL, Luna M, Bodey GP. Trichosporon beigelii infection: A review. Rev Infect Dis 1986;8:959-67.  Back to cited text no. 3  [PUBMED]  [FULLTEXT]  
4.Watson KC, Kallichurum S. Brain abscess due to Trichosporon cutaneum. J Med Microbiol 1970;3:191-3.  Back to cited text no. 4  [PUBMED]  [FULLTEXT]  
5.Leaf HL, Simberkoff MS. Invasive Trichosporonosis in a patient with acquired immunodeficiency syndrome. J Infect Dis 1989;160:356-7.  Back to cited text no. 5  [PUBMED]  [FULLTEXT]  
6.Ahmad S, Al-Mahmeed M, Khan ZU. Characterization of Trichosporon species isolated from clinical specimens in Kuwait. J Med Microbiol 2005;54:639-46.   Back to cited text no. 6  [PUBMED]  [FULLTEXT]  
7.Mussa AY, Singh VK, Randhawa HS, Khan ZU. Disseminated fatal trichosporonosis: First case due to Trichosporon inkin. J Mycol Med 1998;8:196-9.  Back to cited text no. 7      
8.Salvaggio M, Pappas PG. Current concepts in the management of fungal Peritonitis. Curr Infect Dis Rep 2003;5:120-4.  Back to cited text no. 8      
9.Gupta S, Kaushik R. Peritonitis - the Eastern experience. World J Emerg Surg 2006;1:13.  Back to cited text no. 9  [PUBMED]  [FULLTEXT]  
10.Shan YS, Hsu HP, Hseih YH, Sy ED, Lee JC, Lin PW. Significance of intraoperative peritoneal culture of fungus in perforated peptic ulcer. Br J Surg 2003;90:1215-9.  Back to cited text no. 10      

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Correspondence Address:
Usha Kalawat
Department of Microbiology, Sri Venkateswara Institute of Medical Sciences, Alipiri Road, Tirupati - 517 507, Andhra Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1319-3767.58768

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  [Figure 1], [Figure 2]

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