What's the difference between diagnostic and pathognomonic?

Diagnostic


Definition:

  • (a.) Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.
  • (n.) The mark or symptom by which one disease is known or distinguished from others.

Example Sentences:

  • (1) Furthermore, it had early diagnostic (seven days) as well as prognostic value, as revealed by response to therapy and decrease in COA titer.
  • (2) CT appears to yield important diagnostic contribution to preoperative staging.
  • (3) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
  • (4) By combined histologic and cytologic examinations, the overall diagnostic rate was raised to 87.7%.
  • (5) Stress is laid on certain principles of diagnostic research in the event of extra-suprarenal pheochromocytomas.
  • (6) Despite of the increasing diagnostic importance of the direct determination of the parathormone which is at first available only in special institutions in these cases methodical problems play a less important part than the still not infrequent appearing misunderstanding of the adequate basic disease.
  • (7) Until the 1960's there was great confusion, both within and between countries, on the meaning of diagnostic terms such as emphysema, asthma, and chronic brochitis.
  • (8) Diagnostic work-up and management of intracranial arachnoid cysts are still controversial.
  • (9) These patients had undergone selective and bilateral simultaneous IPS sampling for diagnostic purposes or for neurosurgical indications.
  • (10) These deficiencies in the data compromise HIV surveillance based on diagnostic testing, and supplementary bias-free data are needed.
  • (11) SD is shown to have therapeutic and differential diagnostic significance in varying pathological conditions of cerebral dopaminergic systems.
  • (12) A review is presented concerning the development of new neuroimaging techniques in the last decade which have improved the diagnostic exploration of patients with spinal cord injuries, including studies of possible sequelae.
  • (13) The image was altered in the expected way, which means that the device is suitable for investigating the possibilities of different filters to improve the diagnostic ability.
  • (14) The following case highlights the diagnostic and therapeutic dilemmas encountered in a middle-aged patient who presented with dementia and apathetic hyperthyroidism.
  • (15) To determine the diagnostic and discriminative value of these subisoenzymes in polymyositis, we analyzed CK and its MM subisoenzyme forms in serum samples from 22 patients with myositis and from 23 controls.
  • (16) Older subjects in all diagnostic categories, including normal subjects, had higher postdexamethasone plasma cortisol levels.
  • (17) Despite significant differences in mean response, there was a large overlap of individual responses between diagnostic subgroups.
  • (18) Prompt diagnosis, in which timely diagnostic laparoscopy and ultrasound evaluation of the pelvis may be helpful, provides the opportunity for prompt laparotomy with untwisting of the torsion and stabilization of the adnexa by suture and cystectomy, if possible, extirpation if not.
  • (19) We conclude that inflammatory lesions at these sites are not uncommon and that CT scans are diagnostic in the great majority.
  • (20) We report on experiences with diagnostic and therapeutic procedures and the results of vocational rehabilitation.

Pathognomonic


Definition:

  • (a.) Specially or decisively characteristic of a disease; indicating with certainty a disease; as, a pathognomonic symptom.

Example Sentences:

  • (1) Focal biliary cirrhosis is the pathognomonic hepatic lesion and is present in 25-30% of CF patients, most of whom are asymptomatic.
  • (2) We have not discovered any specific EUS finding(s) that are pathognomonic for pancreatic cancer or chronic pancreatitis.
  • (3) In certain diseases, the morphologic alterations are characteristic and pathognomonic.
  • (4) More than a decade of study of regional cerebral blood flow (rCBF) has gradually shown a pathognomonic pattern of abnormalities, probably reflecting spreading cortical depression.
  • (5) The changes are distinctive and pathognomonic, but the effects of therapy (vitamin D) have not yet been ascertained.
  • (6) Because of the nonspecific nature of symptoms produced and absence of pathognomonic findings by physical examination or by routine laboratory testing, its recognition is difficult and its true incidence is unknown.
  • (7) Although there are no pathognomonic symptoms, signs, or radiological appearances of intracranial tuberculomas, a high index of suspicion should always be entertained during the investigation of non-European immigrants.
  • (8) Periodic acid-Schiff-positive, diastase resistant, intracytoplasmic crystals, pathognomonic for alveolar soft-part sarcoma, were present.
  • (9) The retinal lesions observed in primary hyperoxaluria appear to be pathognomonic for hyperoxalaemia.
  • (10) Importantly, although not pathognomonic, the high-resolution CT finding of centrilobular, peribronchiolar, indistinct nodules should suggest the diagnosis of chronic hypersensitivity pneumonitis.
  • (11) Although these splenic features are not pathognomonic for abscesses, they can be correlated with other incidental abdominal sonographic findings and the presenting clinical symptoms, can direct percutaneous needle punctures and can enable a prompt diagnosis.
  • (12) However, whether these changes are specific or pathognomonic to any disease(s) remains to be solved.
  • (13) A knowledge of the pathognomonic features may lead to early detection and treatment.
  • (14) Angiomyolipomas produce pathognomonic appearances on modern imaging methods and a tissue diagnosis is no longer required particularly when multiple tubers can be confidently diagnosed and if a CT brain scan shows periventricular calcifications.
  • (15) In Hellmer's original article and all cases subsequently reported, this appearance was described as being pathognomonic of intraperitoneal fluid.
  • (16) The fine morphology of hematoxylin bodies--structures which, by light microscopy, are considered to be pathognomonic for systemic lupus erythematosus--is described in renal glomeruli.
  • (17) Thus pancreatic calcifications, which are virtually pathognomonic for chronic pancreatitis, were found exclusively in the group with chronic nephropathy due to analgesic abuse.
  • (18) Gas patterns in the portal and umbilical vessels are unique and pathognomonic.
  • (19) Pathognomonic signs were pain behind the lateral femoral condyle on palpation and compression of the fabella and also on passive extension of the knee.
  • (20) These findings may be considered pathognomonic for enchondromatosis (Ollier's disease).

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