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Table 1 Summary of five cases associating myotonic dystrophy (DM) and normal pressure hydrocephalus (NPH)

From: Myotonic dystrophy type 1 accompanied with normal pressure hydrocephalus: a case report and literature review

Year/Author

Gender

Onset age

Symptoms

Testing

Treatment

Improvement

Triad of NPH

Muscle atrophy

Muscle weakness

Neuroimaging

Genetic testing

Others

1985, Riggs

F

50

+

+

+

Obvious hydrocephalus

/

Communicating hydrocephalus on radionuclide cisternogram

Lumbar peritoneal shunt

Remarkable

1988, Christensen

F

61

+

+

+

Ventricular enlargement

/

ICP monitoring positive

Refused

/

1988, Christensen

M

75

+

+

+

Ventricular enlargement

/

ICP monitoring refused

Refused

/

2006, Delavallee

M

61

No urinary incontinence

+

+

Evans index 0.41

/

High waves on ICP monitoring

Ventriculoperitoneal shunt

80%

Present case

F

62

No urinary incontinence

+

+

Evans index 0.34

+

CSF-TT positive

Refused

/

  1. ICP intracranial pressure; /, data not available; +, positive