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Table 1 Summary of case reports of cryptococcal meningitis complicating ventriculoperitoneal (VP) shunt infection with or without concurrent infected intraabdominal VP shunt pseudocyst

From: Undiagnosed Cryptococcus gattii meningitis leading to subsequent ventriculoperitoneal shunt infection in a patient with symptoms of normal pressure hydrocephalus: case report and literature review

Case Author (year)

Age (yrs)/ Sex

Underlying conditions

Onseta (mo-yrs)

Clinical manifestations

Findings

Cryptococcus species

Managements

Outcomes

1–3 Mangham et al. [9] (1983)

22/M

–

1 yr

Rapidly declined consciousness with frontal headache

CT brain: hydrocephalus

Brain necropsy: basilar meningitis with yeast like organisms seen

C. neoformans

ABD, 5-FC, shunt removal

Dead

58/M

–

9 mo

Progressive headache and memory deficit

CT brain: hydrocephalus

Intact shunt function

C. neoformans

ABD, 5-FC, shunt removal

Recovery

55/M

CLD, DM, NPH

4 mo

Memory deficit and gait difficulty

CT brain: hydrocephalus

Brain necropsy: fibrous and thickening leptomeninges with yeast like organisms seen

C. neoformans

ABD, 5-FC

Dead

4 Crum-Cianflone et al. [10] (2008)

34/M

HIV, TB meningitis

1 yr

Abdominal distention

CT abdomen: intraabdominal CSF

VP shunt pseudocyst, sized 26 cm

Cyst fluid CRAG titers of 1:64

C. neoformans

LAB, 5-FC then oral FLU and 5-FC, cyst aspiration and shunt removal

Recovery

5 Viereck et al. [11] (2014)

65/M

NPH

20 yrs

Difficult ambulation and confusion

Intact shunt function

Radiographic findings: no data

C. neoformans

ABD, 5-FC, shunt removal and reimplant

Recovery

6 Lee et al. [12] (2016)

80/M

NPH

10 yrs

Abdominal pain and diarrhea

CT abdomen: large intraperitoneal CSF VP shunt pseudocyst

C. neoformans

ABD, 5-FC and shunt removal

Recovery, no residual pseudocyst

7 Foong et al. [13] (2016)

52/M

NPH

1 yr

Fever, lethargy, confusion

CT brain: hydrocephalus with possible shunt malfunction

C. neoformans

LAB, 5-FC then oral FLU, shunt removal and reimplant

Recovery

8 Genebat et al. [14] (2017)

36/F

HIV, TB meningitis

1 yr

Abdominal mass

CT abdomen: subcutaneous CSF VP shunt pseudocyst, sized 7 cm

C. neoformans

LAB, 5-FC then oral FLU, and shunt removal

Recovery, no residual pseudocyst

9 The present case

66/F

HT

2 yrs

Gait difficulty, dizziness, headache, abdominal mass

CT brain: hydrocephalsCT abdomen: intraabdominal CSF

VP shunt pseudocyst, sized 15 cm

Cyst fluid CRAG titers of > 1:1024

C. gattii

ABD, FLU then oral FLU, shunt removal and reimplant

Recovery, no residual pseudocyst

  1. aTemporal onset of infection following VP shunt implant
  2. Abbreviations: ABD amphotericin B deoxycholate, CLD chronic liver disease, cm centimeter. CRAG cryptococcal antigen, CSF, cerebrospinal fluid, CT computed tomography, DM diabetes mellitus, 5-FC 5-flucytosine, F female, FLU fluconazole, HIV human immunodeficiency virus, HT hypertension, LAB liposomal amphotericin B, M male, mo month, NPH normal pressure hydrocephalus, TB tuberculosis, yrs. years