What's the difference between discoloration and ecchymosis?

Discoloration


Definition:

  • (n.) The act of discoloring, or the state of being discolored; alteration of hue or appearance.
  • (n.) A discolored spot; a stain.

Example Sentences:

  • (1) Discoloration and pulpal obliteration were the major manifestations.
  • (2) The etched porcelain laminate veneer is a new conservative treatment that offers a solution to fractured, discolored, and worn anterior teeth.
  • (3) In a relative safe way many types of discoloration can be treated.
  • (4) Treatment did not influence total or percent discolored areas.
  • (5) After 24 h, the extensor digitorum longus and tibialis anterior muscles appeared grossly swollen (edematous) and discolored.
  • (6) Scar tissue and leukoderma-type discoloration of the skin due to deep burns are treated by dermabrasion and thin split-thickness skin-graft application.
  • (7) The test strips are not absolutely yeastspecific, since problem organisms and molds may cause a brown discoloration.
  • (8) Interest in the use of bleaching for treatment of discolored teeth is increasing.
  • (9) The discolored area had enlarged during a recent pregnancy, contained multiple subcutaneous nodules, demonstrated increased cellularity and mitotic activity, and was associated with an axillary lymph node containing black streaks within the capsule.
  • (10) Subjects who developed dark brownish discoloration on the facial surfaces of their anterior teeth during a 3-week period following professional cleaning of the teeth were selected for study.
  • (11) The hearts of these rats were enlarged and discolored.
  • (12) The surgical procedure consisted of debriding muscle tissue which showed impaired contractility, consistency, discoloration or lack of capillary bleeding--current criteria of non-viability.
  • (13) The second group included generally younger patients (average age 2.9 years) in whom misformulation of rifampicin preparations for treatment of Haemophilus influenzae Type B resulted in bright reddish-orange discoloration to the skin.
  • (14) Circumpulpal discoloration commenced on the sixth day postmortem and increased to 18 days.
  • (15) A yellow compound was isolated from commercially available, discolored, polyethylene ophthalmic closures containing titanium dioxide and butylated hydroxytoluene (I).
  • (16) A weak chelator did not alter the discoloration tendency.
  • (17) Five patients are reported in whom brownish grey discoloration occurred on the light-exposed parts of the dermis after long-term amiodarone-medication.
  • (18) Chicks exhibited cerebellar and cerebral encephalitis characterized by brown-red discoloration of affected brain tissue.
  • (19) The risk factors studied included: donor parameters (age, sex, cause of death, haemodynamic parameters and renal function); retrieval parameters (kidney alone or multiorgan harvesting, discoloration and renal perfusion quality); organ characteristics (multiple arteries and cold ischemia time); recipients parameters (age, sex, prior transplantation, local transplantation or not, and HLA matching).
  • (20) With the breakdown of trapped hemoglobin, iron-containing hemosiderin is stored in synovial tissue producing rusty discoloration and proliferative reaction.

Ecchymosis


Definition:

  • (n.) A livid or black and blue spot, produced by the extravasation or effusion of blood into the areolar tissue from a contusion.

Example Sentences:

  • (1) Salient clinical findings in this case include DIC associated with extensive ecchymosis and subsequent gangrene of the skin, thrombotic complications that began on the third day of life.
  • (2) Diagnosis is based upon the following signs: sudden onset of pain, sometimes after effort, and in the knee rather than in the calf, and more especially ecchymosis occurring in the internal supramalleolar region.
  • (3) Colposcopic magnification allowed examiners to characterize these findings as acute mounting injuries, typically seen at 3, 6, and 9 o'clock on the posterior fourchette and consisting chiefly of lacerations, ecchymosis, and swelling.
  • (4) Massive lid oedema, ecchymosis, proptosis with a total restriction of extraocular movement, markedly raised intraocular pressure, and occlusion of the central retinal artery developed acutely in the right eye of a 26-year-old woman with a past history of disseminated intravascular coagulation.
  • (5) A neonate with severe scrotal ecchymosis resulting from a breech delivery is presented.
  • (6) The amount of postoperative edema and ecchymosis did not appear to be significantly different with the Nd:YAG laser compared with conventional surgery.
  • (7) Two patients are reported who developed periorbital ecchymosis in association with migraine.
  • (8) The incidence of conjunctival ecchymosis and palpebral hematoma with such technique ranges from 2% to 9%; it does not represent any intraoperative problem but may difficult surgery.
  • (9) A case report of an outstanding college football halfback with partial factor XI deficiency, recurrent ecchymosis, and myositis ossificans is reviewed.
  • (10) Infected dogs were anorectic and lethargic and developed cutaneous lesions characteristic of Rocky Mountain spotted fever, including petechia, ecchymosis, edema, and necrosis.
  • (11) During the ensuing hours the patient developed an area of ecchymosis on the anterior chest.
  • (12) We examined an inhibitor to factor VIII in non-haemophilic patient who had been developed widely spread ecchymosis and intramuscular bleeding.
  • (13) Based on the data reviewed for blunt and penetrating trauma, we recommend that an IVP be performed in: all patients with gross hematuria; all patients who present with pain or tenderness that could be referrable to the genitourinary tract, even in the absence of hematuria; all patients with flank hematoma or ecchymosis; and all patients with penetrating trauma that could reasonably be expected to injure the genitourinary tract.
  • (14) 3 simple lentigines, 2 solar lentigines, 7 recent surgical scars (from re-excision of non-melanocytic tumors), 2 surgical scars from re-excisions of melanomas (after complete primary excisions), 9 hemangiomas from non-sun-exposed skin, 1 basal cell carcinoma, 1 acute ecchymosis, 1 keloid, and 1 dermatofibroma.
  • (15) Careful examination of the skin revealed multiple linear ecchymosis of varying ages on the back and thighs and a hand print on the right flank.
  • (16) In addition, trends toward less ecchymosis, less intranasal edema, and less discomfort in the patients receiving steroids were noted.
  • (17) The possible mechanism of the occurrence of periorbital ecchymosis in migraine is discussed.
  • (18) Local effects of the IA CDDP included gluteal pain and ecchymosis (n = 1) and moderately disabling lower extremity neuropathies (n = 3).
  • (19) In addition to reduced intraoperative time and bleeding, we found less postoperative ecchymosis and edema on the laser-treated side.
  • (20) The clinical picture was subacute in 20 cases, with abdominal pain and extensive ecchymosis, acute in 4 cases, and reduced to an abdominal mass in 3 cases.