atypical


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atypical

 [a-tip´ĭ-k'l]
irregular; not conformable to the type.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

a·typ·i·cal

(ā-tip'i-kal),
Not typical; not corresponding to the normal form or type.
[G. a- priv. + typikos, conformed to a type]
Farlex Partner Medical Dictionary © Farlex 2012

atypical

(ā-tĭp′ĭ-kəl) also

atypic

(-ĭk)
adj.
Not conforming to type; unusual or irregular.

a′typ·i·cal′i·ty (-kăl′ĭ-tē) n.
a·typ′i·cal·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

atypical

A highly nonspecific adjective, meaning not normal or typical.
 
Medspeak
Referring to a clinical presentation which is somewhat unexpected—e.g., stage-IV colorectal cancer without bleeding or obstruction.

Pathology
Referring to a histopathological finding which would in a certain number of cases undergo malignant transformation.
 
Psychology
Referring to a mental state between banal and insane.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

atypical

adjective Not normal, irregular, abnormal, not conforming to a type, abnormal in presentation, morphology, appearance or behavior
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

a·typ·i·cal

(ā-tip'i-kăl)
Denotes the unexpected or unanticipated; not corresponding to the normal form or type.
[G. a- priv. + typikos, conformed to a type]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

a·typ·i·cal

(ā-tip'i-kăl)
Denotes the unexpected or unanticipated; not corresponding to the normal form or type.
[G. a- priv. + typikos, conformed to a type]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Non-Hispanic black children in counties without any child psychiatrists were significantly more likely to receive an atypical antipsychotic drug, compared with other racial and ethnic groups (12.1% vs.
* The report reviews key players involved in the therapeutics development for Atypical Hemolytic Uremic Syndrome (Nondiarrhea- Associated Hemolytic Uremic Syndrome) and enlists all their major and minor projects
The authors of this special report do a service to women and their clinicians by pointing out the high long-term risk of malignancy faced by women with atypical hyperplasia of the breast.
With the launch of LATUDA, a new treatment option for patients with schizophrenia in China, along with another atypical antipsychotic LONASEN already launched in February 2018, Sumitomo Dainippon Pharma expects to make a greater contribution to the treatment of patients with schizophrenia in China.
He cited data suggesting that nearly 15% of rashes are atypical and represent a major source of frustration to both patients and clinicians when conventional treatments fail.
Most of the children with autism who had atypical eating behaviors had two or more types, and nearly one-quarter had three or more.
Second, I have not seen the problematic metabolic syndrome caused by standard atypical antipsychotic medication.
This is because the BCR-ABL fusion gene can also result from variant and complex translocations and from cryptic chromosomal rearrangements.10 Proposed mechanisms of these atypical gene rearrangements, though not fully characterized, involve a cryptic insertion between or submicroscopic deletions of chromosomes 9 and 22 or a classic t (9:22) followed sequentially by a reverse translocation.
Atypical ductal hyperplasia involving papillomas and apocrine proliferations are examples of lesions with diagnostic criteria that differ from those of isolated conventional ADH.
Since the advent of Diffusion Weighted Imaging (DWI), researchers have been exploring to find a role of DWI and Apparent Diffusion Coefficient (ADC) in differentiating typical from atypical tumours including meningiomas.
Over the last several years, the MGH NPRAA has accumulated very rigorous, prospectively ascertained data on outcomes following first trimester exposure to the atypical antipsychotics.