Delayed diagnosis of prosopagnosia following a hemorrhagic stroke in an elderly man: A case report

Table 2 Literature summary of acquired prosopagnosia for stroke (42 subjects)

Clinical features		Frequency of pathological findings, patients (%)
Etiologies	Ischemic stroke	34 (81.0)
	Hemorrhagic stroke	7 (16.7%)
	Subarachnoid hemorrhage	1 (2.4)
Cerebral lesions	Unilateral cerebral lesions	Right-sided lesions: 27 (64.3); left-sided lesions: 3 (7.1%)
	Bilateral cerebral lesions	11 (26.2)
Ocular symptoms	Visual field defects	Hemianopia: 28 (66.7); quadrantanopia: 11 (26.2%)
	Blurred vision/deterioration of visual acuity	6 (14.3%)
	Scotomas in the vision	4 (9.5%)
	Dimmer/decreased brightness of vision	3 (7.1%)
	Visual distortion/metamorphopsia	4 (9.5%)
	Visual hallucinations	3 (7.1%)
Agnosia	Spatial agnosia/topographical disorientation	21 (50%)
	Color agnosia/achromatopsia	9 (21.4%)
	Object agnosia	8 (19.0%)
	Alexia/musical alexia	8 (19.0)
	Apraxia	3 (7.1)
	Simultanagnosia	1 (2.4)
Cognitive difficulties	Memory loss	7 (16.7)
	Perceptual impairment	6 (14.3)
	Unilateral neglect	4 (9.5)
	Language difficulties	2 (4.8)
	Dyscalculia	1 (2.4)
	Concentration impairment	1 (2.4)
Other signs/symptoms	Headache/vertigo/dizziness	6 (14.3)
	Tandem walking/gait instability	5 (11.9)
	Hemiparesis/loss of control of limb	4 (9.5)
	Hemisensory loss	4 (9.5)
	Social and emotional difficulties	4 (9.5)
	Hand tremors	1 (2.4)
	Dressing disturbance	1 (2.4)