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Endometriosis of colon — Clinical Guidelines

Overview

Pure alexia is characterized by severe difficulty in reading and understanding written language, despite intact oral language and writing abilities, often resulting from lesions affecting specific neural pathways involved in visual word processing. 8 11

Diagnosis

Key Diagnostic Criteria: Severe impairment in reading ability with preserved oral language and writing skills. 8 11

Recommended Tests:

- Cranial MRI to identify lesions in occipito-temporal regions, splenium of the corpus callosum, or other critical pathways. 8 11 - Neuropsychological assessments focusing on reading tasks, including single-word recognition and reading speed. 6 9

Grading: Severity can be assessed by reading accuracy and speed, with specific deficits like letter-by-letter reading indicating particular lesion locations. 6 9

Management

First-Line Treatments:

- Rehabilitation strategies such as Multiple Oral Rereading (MOR) to improve reading speed and accuracy. 13 - Substitutive treatment strategies leveraging residual abilities for reading improvement. 4

Adjunctive Treatments:

- Exploiting residual semantic priming effects to aid in reading tasks. 5 - Tailored interventions based on residual abilities and lesion-specific deficits. 4 7

Special Populations

Pediatrics: No specific evidence provided in the abstracts.

Elderly: Rehabilitation approaches may need to consider cognitive decline and slower processing speeds. 13

Comorbidities: No specific evidence addressing comorbidities in the context of pure alexia.

Key Recommendations

Conduct cranial MRI to identify specific lesion locations critical for reading impairment (e.g., occipito-temporal regions, splenium of the corpus callosum). (Evidence: Strong 8 11)

Implement rehabilitation techniques such as Multiple Oral Rereading (MOR) to enhance reading abilities in patients with pure alexia. (Evidence: Moderate 13)

Tailor treatment approaches based on residual cognitive abilities and lesion characteristics to maximize therapeutic outcomes. (Evidence: Expert opinion 4 7)

References

1 Maeshima S, Osawa A, Sujino K, Fukuoka T, Deguchi I, Tanahashi N. Pure alexia caused by separate lesions of the splenium and optic radiation. Journal of neurology 2011. link 2 Kaneko M, Fushimi T, Uno A, Haruhara N. The eye movements of Japanese pure alexic patients during single word and nonword reading. Neurocase 2004. link 3 Cohen L, Martinaud O, Lemer C, Lehéricy S, Samson Y, Obadia M et al.. Visual word recognition in the left and right hemispheres: anatomical and functional correlates of peripheral alexias. Cerebral cortex (New York, N.Y. : 1991) 2003. link 4 Maher LM, Clayton MC, Barrett AM, Schober-Peterson D, Gonzalez Rothi LJ. Rehabilitation of a case of pure alexia: exploiting residual abilities. Journal of the International Neuropsychological Society : JINS 1998. link 5 Mimura M, Goodglass H, Milberg W. Preserved semantic priming effect in alexia. Brain and language 1996. link 6 Hanley JR, Kay J. Reading speed in pure alexia. Neuropsychologia 1996. link00039-5) 7 Arguin M, Bub DN. Pure alexia: attempted rehabilitation and its implications for interpretation of the deficit. Brain and language 1994. link 8 Binder JR, Mohr JP. The topography of callosal reading pathways. A case-control analysis. Brain : a journal of neurology 1992. link 9 Behrmann M, Black SE, Bub D. The evolution of pure alexia: a longitudinal study of recovery. Brain and language 1990. link90148-a) 10 Rapcsak SZ, Gonzalez Rothi LJ, Heilman KM. Phonological alexia with optic and tactile anomia: a neuropsychological and anatomical study. Brain and language 1987. link90063-0) 11 Henderson VW, Friedman RB, Teng EL, Weiner JM. Left hemisphere pathways in reading: inferences from pure alexia without hemianopia. Neurology 1985. link 12 Sevush S, Heilman KM. A case of literal alexia: evidence for a disconnection syndrome. Brain and language 1984. link90081-6) 13 Moyer SB. Rehabilitation of alexia: a case study. Cortex; a journal devoted to the study of the nervous system and behavior 1979. link80015-5) 14 Dérouesné J, Beauvois MF. Phonological processing in reading: data from alexia. Journal of neurology, neurosurgery, and psychiatry 1979. link

Endometriosis of colon