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Table 1 Review of reported cases of CAA-related inflammation

From: Cerebral amyloid angiopathy-related inflammation presenting with steroid-responsive higher brain dysfunction: case report and review of the literature

Reference

n

Age

Sex

Clinical presentation

MRI lesion

Micro bleeds in T2*-weighted images

MRI enhanced lesion

Pathology

treatment

Outcome

Greenberg et al. 1993 [10]

1

72

F

dementia headache

left

frontal

NA

(-)

vasculitis

NA

NA

Ortiz et al. 1996 [11]

1

68

F

headache

right

temporal/parietal

NA

(-)

vasculitis

steroid

NA

Fountain et al. 1996 [12]

2

66

M

fluent aphasia right hemianopia

bilateral

temporal/parietal

NA

(-)

vasculitis perivasculitis

steroid cyclophosphamide

alive relapse (+)

  

69

F

headache confusion focal neurology seizure

bilateral

confluent multifocal

NA

NA

vasculitis

steroid cyclophosphamide

died relapse (+)

Anders et al. 1997 [13]

2

70

M

mental status change

right

frontal

NA

NA

vasculitis

NA

NA

  

69

M

headache lethargy behavior change

bilateral

white matter

NA

(+)

vasculitis

NA

NA

Fountain et al. 1999 [14]

1

71

M

headache confusion gait difficulty left hand apraxia

right

temporal/parietal

NA

NA

vasculitis

cyclophosphamide

alive relapse (+)

Scully et al. 2000 [15]

1

63

M

behavior change ataxia

bilateral

white matter

NA

(+)

perivasculitis

cyclophosphamide

alive

Oide et al. 2002 [16]

1

69

M

dizziness dementia seizure

bilateral

symmetrical periventricular

NA

NA

vasculitis

(-)

NA

Schwab et al. 2003 [8]

2

74

M

seizure dementia headache

bilateral

multifocal

NA

(+)

perivasculitis

steroid

alive relapse (+)

  

70

F

dementia headache

right

temporal

NA

(+)

perivasculitis

steroid

alive relapse (+)

Tamargo et al. 2003 [17]

1

80

F

dementia left-side hemineglect word finding difficulty

bilateral

left frontal right parietal

NA

(+)

vasculitis

steroid

alive

Oh et al. 2004 [1]

2

80

F

Headache aphasia

bilateral

right parietal/occipital left frontal

NA

(-)

perivasculitis

steroid

alive

  

77

M

aphasia

left

temporal

NA

(-)

vasculitis

steroid

alive

Safriel et al. 2004 [18]

1

49

M

seizure

right

occipital/temporal

NA

(-)

vasculitis

steroid

alive

Hashizume et al. 2004 [19]

1

65

M

headache left hemianopsia left-side hemineglect

right

temporal/occipital

NA

(+)

vasculitis

steroid cyclophosphamide

died

Harkness et al. 2004 [20]

1

72

F

dementia

bilateral

frontal

NA

(-)

vasculitis

no specific therapy

alive

Jacobs et al. 2004 [21]

1

81

F

confusion Balint's syndrome agraphia right-left confusion finger anomia left-side neglect

bilateral

parietal/occipital

NA

(+)

vasculitis

steroid

alive

Scolding et al. 2005 [3

6

69.3*

M 3 F 3

encephalopathy 6 focal neurology 2 seizure 1 headache 2

NA

mutifocal 1 frontal 1 diffuse white matter 1 right occipital 1 left frontal 1 bilateral confluent 1

NA

(+) 1 (-) 5

vasculitis

steroid 3 steroid cyclophosphamide 2 tumor resection steroid 1

alive 4 (relapse NA) died 2

Mikolaenko et al. 2006 [22]

1

50

M

seizure

right

frontal

NA

(+)

vasculitis

surgery

alive

Wong et al. 2006 [23]

1

79

F

higher brain dysfunction fatigue

right

frontal/temporal/parietal

NA

NA

vasculitis

steroid

alive relapse (+)

Kinnecom et al. 2007 [4]

1

62.3*

M 9 F 3

encephalopathy 9 headache 5 seizure 7 aphasia 1 presyncope 1

NA

NA

NA (the presence of microbleeds are mentioned but the proportion is not mentioned)

NA

perivasculitis

steroid 9 steroid cyclophosphamide 3

alive 11 (relapse (+) 3) died 1

Greenberg et al. 2007 [24]

1

63

M

headache behavioral change cognitive change

bilateral

multiple

NA

(+)

vasculitis

cyclophosphamide

alive relapse (+)

Marotti et al. 2007 [25]

1

57

F

headache seizure

bilateral

frontal/temporal/insular right thalamus

(+)

(+)

vasculitis

seizure control

died

McHugh et al. 2007 [26]

1

80

F

confusion incontinent urine global aphasia seizure right hemianopia right hemiparesis

bilateral

frontal

(+)

(-)

vasculitis perivasculitis

steroid

alive relapse (+)

Takada et al. 2007 [27]

1

69

F

headache cognitive decline

bilateral

right frontal/parietal bilateral parietal/occipital

(+)

(-)

vasculitis

steroid

died

Machida et al. 2008 [28]

1

69

F

cognitive decline

bilateral

multifocal

(-)

(+)

perivasculitis

steroid

alive relapse (+)

Salvarani et al. 2008 [29]

8

63*

M6 F2

encephalopathy 6 focal neurology 2 headache 3 only aphasia with alexia 1

bilateral 8

multifocal

NA

(+) 5 (-) 3

vasculitis

steroid 3 steroid cyclophosphamide 5

improved 6 died 1 worsened 1

Amick et al. 2008 [30]

1

79

F

transient right sided weakness

left

occipital/parietal

NA

(-)

vasculitis

(-)

died

Alcalay et al. 2009 [31]

1

92

F

mental status change

bilateral

multifocal

(+)

(+)

(-)

steroid

alive

Daniëls et al. 2009 [32]

1

80

F

mental status change right sided hemiparesis dysphasia seizure

bilateral

left hemisphere right parietal/occipital

(+)

(-)

(-)

steroid

alive relapse (+)

Greenberg et al. 2010 [9]

1

87

F

seizure cognitive impairment

bilateral

multifocal

(+)

NA

perivasculitis

steroid

died

Kloppenborg et al. 2010 [7]

1

74

M

increased sleepiness loss of initiative seizure

bilateral

frontal

(+)

(+)

perivasculitis

steroid

alive

Morishige et al. 2010 [33]

1

78

F

motor aphasia dementia

left

frontal

NA

(+)

vasculitis

steroid

alive

Savoiardo et al. 2010 [34]

1

76

M

fatigue confusion

bilateral

temporal/occcipital/frontal

(+)

(-)

(-)

steroid

alive

Cano et al. 2010 [35]

1

76

M

transient motor aphasia transient headache

bilateral

temporal

(+)

NA

(-)

(-)

alive

DiFrancesco et al. 2011 [36]

1

68

M

memory loss mood disorder

bilateral

multifocal

(+)

(-)

NA

steroid

alive

Chung et al. 2011 [37]

3

83

F

seizure

bilateral

multifocal

NA

NA

vasculitis

steroid

died

  

forties

F

headache mild hemiparesis sensory loss

right

parietal/occipital

(+)

NA

vasculitis

steroid

alive haemorrhage (+)

  

72

M

seizure left-side neglect left hemianopia

bilateral

multifocal

NA

NA

vasculitis perivasculitis

steroid cyclophosphamide

died

our case

1

56

M

Seizure sensory disturbance higher brain dysfunction

right

parietal

(-)

(+)

perivasculitis

steroid

alive relapse (+)

  1. From the literature, we extracted the cases of CAA-related inflammation in which an MRI was evaluated. If autopsy or biopsy was examined, the cases without inflammation were excluded. All cases satisfy the diagnostic criteria of definite or probable CAA-related inflammation proposed by Chung et al. [37]. In 64 cases, 10 presented with higher brain dysfunction without encephalopathy or dementia (15.3%). The most frequent symptom was aphasia (6 cases: 9.3%), followed by hemineglect (2 cases: 3.1%). One case besides the current presented with various higher brain dysfunction without mental change or dementia [23]. In these 10 cases with higher brain dysfunction, MRI lesions and the presence of leptomeningeal enhancement were inconsistent. Thirteen cases were examined with MRI with an echo gradient sequence, and microhemorrhages were not seen in 2 cases, including our case (13.3%).
  2. The leptomeningeal enhancement status of 42 patients was mentioned, and the clinical courses of 39 patients were described. Only one patient among 19 patients with leptomeningeal enhancement died (5.3%); however, 7 of 20 patients without enhancement died (35%), suggesting that leptomeningeal enhancement might be a factor in good prognosis. *: calculated mean