Skeletal remains of five blue foxes ( Vulpes lagopus ) from St. Paul Island, Pribilof Islands, Alaska: A view of differential diagnosis

The broadest application of transmission electron microscopy (EM) in diagnostic medicine is the identification of tumors that cannot be classified by routine light microscopy. EM is useful in the evaluation of approximately 10% of human neoplasms, but the extent of its contribution varies considerably. It may provide a specific diagnosis that can not be reached by other means, but in contrast, the information obtained from ultrastructural study of some 10% of tumors does not significantly add to that available from light microscopy. Most cases fall somewhere between these two extremes: EM may correct a light microscopic diagnosis, or serve to narrow a differential diagnosis by excluding some of the possibilities considered by light microscopy. It is particularly important to correlate the EM findings with data from light microscopy, clinical examination, and other diagnostic procedures.

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The Preschool Stuttering Screen for Health Care Professionals

Perspectives on Fluency and Fluency Disorders ◽

10.1044/ffd21.2.59 ◽

2011 ◽

Vol 21 (2) ◽

pp. 59-62

Author(s):

Joseph Donaher ◽

Christina Deery ◽

Sarah Vogel

Keyword(s):

Risk Factors ◽

Health Care ◽

Differential Diagnosis ◽

Preschool Children ◽

Health Care Professionals ◽

Healthcare Professionals ◽

Evidence Based ◽

Developmental Profile

Healthcare professionals require a thorough understanding of stuttering since they frequently play an important role in the identification and differential diagnosis of stuttering for preschool children. This paper introduces The Preschool Stuttering Screen for Healthcare Professionals (PSSHP) which highlights risk factors identified in the literature as being associated with persistent stuttering. By integrating the results of the checklist with a child’s developmental profile, healthcare professionals can make better-informed, evidence-based decisions for their patients.

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Auditory Threshold Consistency in Differential Diagnosis of Aphasia in Children

Journal of Speech and Hearing Disorders ◽

10.1044/jshd.2902.147 ◽

1964 ◽

Vol 29 (2) ◽

pp. 147-155 ◽

Cited By ~ 7

Author(s):

Jerome Reichstein

Keyword(s):

Differential Diagnosis ◽

Auditory Threshold

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The Effect of Sensori-Neural Hearing Loss on Threshold-Duration Functions

Journal of Speech and Hearing Research ◽

10.1044/jshr.1104.842 ◽

1968 ◽

Vol 11 (4) ◽

pp. 842-852 ◽

Cited By ~ 26

Author(s):

H. N. Wright

Keyword(s):

Hearing Loss ◽

Differential Diagnosis ◽

Time Constant ◽

Present Series ◽

Auditory Disorders ◽

Threshold Duration

Previous findings on the threshold for tones as a function of their duration have suggested that such functions may be systematically affected by sensori-neural hearing losses of cochlear origin. The present series of investigations was designed to explore this relation further and to determine also whether the amount of hearing loss present has any effect upon the results which are obtained. Preliminary studies were also carried out on a conductively impaired listener to indicate whether hearing losses of this type affect the threshold-duration function. The results indicate that the threshold-duration function is systematically affected by sensori-neural hearing losses of cochlear origin. This effect is manifested by a progressive shortening of the time constant relating threshold to duration and is not uniquely related to the amount of hearing loss present. The results obtained from the conductively impaired listener suggested that this type of hearing loss has no effect on the threshold-duration function, thereby implying that such functions may contribute significantly to the differential diagnosis of auditory disorders.

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