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Table of Contents   
LETTER TO THE EDITOR  
Year : 2015  |  Volume : 8  |  Issue : 5  |  Page : 228-229
Cryptococcal meningitis in an immunocompetent male: An unusual case


1 Department of Medicine, Acharya Vinoba Bhave Rural Hospital (AVBRH), Datta Meghe Institute of Medical Sciences (DMIMS) (DU), Jawaharlal Nehru Medical College (JNMC), Wardha, Maharashtra, India
2 Department of Medicine, Acharya Vinoba Bhave Rural Hospital (AVBRH), Datta Meghe Institute of Medical Sciences (DMIMS) (DU); Department of Microbiology, Jawaharlal Nehru Medical College (JNMC), Wardha, Maharashtra, India

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Date of Web Publication21-Sep-2015
 

How to cite this article:
Pawani N, Acharya S, Adwani S, Damke S. Cryptococcal meningitis in an immunocompetent male: An unusual case. Ann Trop Med Public Health 2015;8:228-9

How to cite this URL:
Pawani N, Acharya S, Adwani S, Damke S. Cryptococcal meningitis in an immunocompetent male: An unusual case. Ann Trop Med Public Health [serial online] 2015 [cited 2019 Jun 20];8:228-9. Available from: http://www.atmph.org/text.asp?2015/8/5/228/162636
Dear Sir,

A 34-year-old male presented to us with the chief complaints of headache since 3 weeks earlier, with the headache being more severe during nighttime, fever since 2 weeks earlier, and nausea and vomiting since 1 week earlier. The patient also had episodes of intermittent disorientation.

General physical and cardiorespiratory examinations were normal.

Central nervous system (CNS) examination revealed papilledema, and signs of meningeal irritation (neck stiffness, Kernig's sign, and Brudziñski's neck sign and leg sign) were present. The "jolt accentuation maneuver" was present.

Complete blood count: Hb 13.3 gm%; total leukocyte count (TLC); 6,900/cu mm; platelet count: 3,06,000/cu mm; random blood sugar (RBS): 106; magnetic resonance imaging (MRI) brain: Normal; human immunodeficiency virus (HIV) I/II: Negative. Cerebrospinal fluid (CSF) examination: TLC 33 cells, differential leukocyte count (DLC) polymorphs 20%, lymphocytes 80%, proteins 186 mg%, sugar 17 mg%, serum lactate dehydrogenase (LDH) 351 IU/L. CSF India Ink preparation: Positive showing Cryptococcus neoformans [Figure 1]; urease test positive; CSF latex agglutination assay of cryptococcal antigen: Positive (titer 1:1000). CSF culture: Showed growth of Cryptococcus neoformans on Sabouraud dextrose agar (SDA) [Figure 2].
Figure 1: CSF India Ink preparation showing Cryptococcus neoformans

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Figure 2: Growth of Cryptococcus neoformans on SDA

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The patient was treated with a combination of amphotericin B 1 mg/kg/day for 10 weeks and fluconazole 400 mg/day for 10 weeks; due to unaffordability and unavailability, flucytosine could not be added. Steroid therapy was added for 6 weeks. The patient improved gradually and became asymptomatic, and the papilledema gradually subsided.

Cryptococcal meningitis (CM) is a rare infection in immunocompetent patients. Males are usually affected more than females. Immunocompetent patients present with typical signs of meningitis, which were present in our case. [1],[2],[3]

Raised intracranial tension was also present in our case. Complications of the same are known to occur in CM.

A definitive diagnosis of CM can be made by either visualizing the fungus in CSF using India Ink preparation (75-85% sensitive), CSF latex agglutination assay (95%), or a positive CSF culture for Cryptococcus neoformans. [1],[2],[3],[4]

Standard therapy in a immunocompetent patient includes amphotericin B 0.7-1 mg/kg/day for 6-10 weeks plus flucytosine 100 mg/kg/day for 6-10 weeks; alternative therapy includes amphotericin B 0.7-1 mg/kg/day for 2 weeks plus flucytosine 100 mg/kg/day for 2 weeks, followed by fluconazole 400 mg/day for 10 weeks. The addition of steroid therapy also helps to improve the patient's course. A lumbar puncture is frequently recommended after 2 weeks of treatment to assess the status of CSF sterilization. [1],[4],[5]

To conclude, CM is rare in immunocompetent hosts and because of the low index of suspicion, the diagnosis is often delayed/missed, resulting in poor prognosis with severe consequences. Our case was unusual, as the patient showed improvement with the combination of amphotericin B and fluconazole for 10 weeks, while flucytosine could not be given as per standard therapy due to unavailability and unaffordability.

 
   References Top

1.
Thompson HJ. Not Your "typical patient": Cryptococcal meningitis in an immunocompetent patient. J Neurosci Nurs 2005;37:144-8.  Back to cited text no. 1
    
2.
Bello YB, Machado HG, Silveira JF, Schettini F, Martins G Jr, Dortas S Jr, et al. Cryptococcal Meningitis in immunocompetent patient - Case Report. Am Med J 2013;4:100-4.  Back to cited text no. 2
    
3.
Costa ML, Souza JP, Oliveira Neto AF, Pinto E Silva JL. Crpytococcal meningitis in HIV negative pregnant women: Case report and review of literature. Rev Inst Med Trop Sao Paulo 2009;51:289-94.  Back to cited text no. 3
    
4.
Perfect JR, Dismukes WE, Dromer F, Goldman DL, Graybill JR, Hamill RJ, et al. Clinical practice guidelines for the management of crytococcal disease: 2010 update by the infectious diseases society of America. Clin Infect Dis 2010;50:291-322.  Back to cited text no. 4
    
5.
Sachdeva RK, Randev S, Sharma A, Wanchu A, Chakrabarti A, Singh S, et al. A retrospective study of AIDS-associated cryptomeningitis. AIDS Res Hum Retroviruses 2012;28:1220-6.  Back to cited text no. 5
    

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Correspondence Address:
Nitin Pawani
Department of Medicine, Acharya Vinoba Bhave Rural Hospital (AVBRH), Jawaharlal Nehru Medical College (JNMC), Datta Meghe Institute of Medical Sciences (DMIMS) (DU), Sawangi (Meghe), Wardha - 442 001, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1755-6783.162636

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