What's the difference between uncommon and unusual?

Uncommon


Definition:

  • (a.) Not common; unusual; infrequent; rare; hence, remarkable; strange; as, an uncommon season; an uncommon degree of cold or heat; uncommon courage.

Example Sentences:

  • (1) Periosteal chondroma is an uncommon benign cartilagenous lesion, and its importance lies primarily in its characteristic radiographic and pathologic appearance which should be of assistance in the differential diagnosis of eccentric lesions of bones.
  • (2) Patients with sarcoidosis that present only cutaneous lesions are uncommon but have been described.
  • (3) Leprosy is an uncommon disease in Saudi population.
  • (4) Three diagnoses or less per patient were not uncommon; more than three diagnoses per patient were uncommon.
  • (5) Aneurysmal bone cyst is an uncommon benign lesion that rarely presents in the craniofacial region.
  • (6) We conclude that inflammatory lesions at these sites are not uncommon and that CT scans are diagnostic in the great majority.
  • (7) It is uncommon in children and usually associated with disease not localised to the gallbladder.
  • (8) The peculiar aspects of uncommon causes of IVH are discussed on the basis of a review of the literature.
  • (9) Although uncommon, the occurrence of seizures and elevated aminotransferase values are potentially serious side effects of clomipramine.
  • (10) ST-segment elevation is an uncommon finding in these patients and does not reliably differentiate those with and without fixed CAD.
  • (11) Substantial variations were identified in the point of origin of 6 of 41 arterial branches; extra vessels and absence of vessels were uncommon.
  • (12) When arterial lines are maintained for even a few days, it is not uncommon that some form of complication develops at the arterial site, such as redness, inflammation, positional problems, or even infection.
  • (13) Efferent units with spontaneous activity were uncommon at the start of the recording sessions but were more frequently encountered later in the experiments.
  • (14) While acromioclavicular joint injury is not uncommon, a complete posterior dislocation in which the distal clavicle penetrates and is entrapped by the trapezius muscle is among the most rare.
  • (15) D. latum infection has been an uncommon intestinal parasitosis, but it tends to increase nowadays.
  • (16) Sudden death in healthy athletes is uncommon but, when it occurs, the primary mechanism is cardiovascular.
  • (17) The literature on this uncommon syndrome was reviewed and it was found that there are an open prevalence of this entity in children younger than 15 years, as well as severe respiratory complications in affected patients.
  • (18) It is not uncommon for thyrotoxicosis to appear in an atypical manner in older patients.
  • (19) Foregut cysts are uncommon congenital defects of the developing airway and gut.
  • (20) Strains of this phage type were uncommon among patients attending the casualty department, and those found were usually either fully sensitive to antibiotics or resistant to benzylpenicillin only.

Unusual


Definition:

  • (a.) Not usual; uncommon; rare; as, an unusual season; a person of unusual grace or erudition.

Example Sentences:

  • (1) "We examined the reachability of social networking sites from our measurement infrastructure within Turkey, and found nothing unusual.
  • (2) The clinical and radiologic characteristics of this unusual tumor are discussed.
  • (3) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
  • (4) The article describes an unusual case with development of a right anterior mediastinal mass after bypass surgery with internal mammary artery grafts.
  • (5) A marked overlap of input from the two eyes is an unusual feature for a diprotodont marsupial and has previously been seen only in the feathertail glider.
  • (6) Brain damage may be followed by a number of dynamic events including reactive synaptogenesis, rerouting of axons to unusual locations and altered axon retraction processes.
  • (7) HCECs display an unusual combination of cytokeratin IFs and neurofilaments, together with vimentin, and are heterogeneous with respect to their IF makeup.
  • (8) This unusual insertion could affect the interaction of cat CD4 with class II molecules, or with FIV, a feline homolog of HIV.
  • (9) Unusually high cooperativity, specificity, and multiplicity in the protein kinase C-phospholipid interaction are demonstrated by examining the lipid dependence of enzymatic activity.
  • (10) GlaxoSmithKline was unusually critical of the decision by Nice, the National Institute for Health and Clinical Excellence, and also the Scottish Medicines Consortium, to reject its drug belimumab (brand name Benlysta) in final draft guidance.
  • (11) These unusual fractures are not easily detected on the routine three-view "hand-series."
  • (12) Caulobacter flagella are unusual in that they contain two different flagellin subunits.
  • (13) The appearance of unusual isoenzyme patterns in newborn infants and in pregnant women in comparison with normal adults.
  • (14) This case is unusual in that it demonstrated no malignant epithelium beyond that of a borderline tumor, but met the criteria of malignancy because of its invasiveness and metastasis.
  • (15) A 6.4 kilobase C4B-5'-specific Taq I fragment usually provided a reliable guide to the presence of a C4A deletion but unusually in one instance this fragment was found to be a marker of a functioning C4A gene.
  • (16) Clinicians should be aware of this new and unusual association of a cerebral glioma and acquired immune deficiency syndrome.
  • (17) However, it does not and we therefore propose the presence of an unusual DNA conformation in these regions.
  • (18) An unusually high degree of motional freedom is found for both these spin-labels, even in gel phase bilayers.
  • (19) An unusual case of myopathy due to lipid storage in Type I muscle fibers is described.
  • (20) The model electron density map, calculated to a resolution of approximately 35 A, shows an unusually high protein content in the membranes.