What's the difference between nailbed and subungual?
Nailbed
Definition:
Example Sentences:
(1) Finger tip injuries, while often minor and self-healing in children, may require surgical repair if the nailbed is disrupted or if there has been significant skin or pad loss from the tip.
(2) Thermometry, thermography, digital plethysmography under hot and cold conditions, videomicroscopy of the nailbed, percutaneous PO2 and laser-doppler tests measure functional parameters, the hemodynamic significance of which require discussion.
(3) Fingertip reconstruction using a dorsal transposition flap was performed on 10 patients who had undergone traumatic oblique amputation (radial or ulnar) through the middle of the nailbed or transversely through the proximal third of the nailbed.
(4) Surgery is directed toward total tumor resection with preservation of the nailbed to achieve normal nail growth.
(5) In vascular diseases of the elderly there are typical alterations of the capillaroscopic findings in the bulbar conjunctiva and in the nailbed, particularly in cases of arteriosclerosis, arterial hypertension, diabetic microangiopathy, heart failure, ischemic myocardiopathies.
(6) With the help of an example of a nailbed transplantation after a complete amputation of a finger end, a possibility of reconstruction of injured fingertips, especially of the nailbed, is shown.
(7) In comparison to those diabetic patients with normal cardiovascular tone, those with cardiovascular autonomic neuropathy had reduced laser Doppler flow at the pulp 15 min after cold water immersion (p less than 0.05), at the nailbed immediately after cold water immersion (p less than 0.01), and at the palms immediately after warm water challenge (p less than 0.01).
(8) Minor nailbed abnormalities were frequently observed and three patients presented with major capillary dystrophy.
(9) We conclude that it is the severity of the original injury and the accuracy of the primary repair of the nailbed which are the main determinants of the outcome of a nailbed injury.
(10) Injuries of the fingertip and nailbed require treatment to minimize pain, speed healing, and shorten the time of functional impairment.
(11) The most likely explanation for the persistent onycholysis is work related pressure anoxia of the nailbed.
(12) Examinations of microcirculation and hemorrheology in the nailbed revealed improvements by NFP, which were conducive to the recovery of pneumonia.
(13) The nasal septum, nailbed, and finger pad were similar in degrees of vessel reactivity.
(14) Subungual squamous cell carcinoma of a nailbed secondary to chronic nail biting occurred in a 37-year-old man.
(15) Whole free vascularized toenail transfers for reconstruction of congenital and traumatic nailbed defects achieve excellent aesthetic results while maintaining normal hand function.
(16) A composite graft from the second toe placed beneath the released nailbed gives good support and improved pulp substance.
(17) The vasoactivity of the vessels of the earlobe, nailbed, finger pad, and nasal septum was investigated in 11 human subjects to determine the suitability of these sites for use in indirect oximetry.
(18) On admission, she had cyanotic lips and nailbeds but no clubbed finger.
(19) Studies on microcirculation in the elderly include observations in the small vessels of the bulbar conjunctiva and of the nailbed with respect to a classification of the findings according to a number of semeiologic criteria (diameter and shape alterations, terminal capillary network, intravascular red cell aggregation).
(20) For injuries with a substantial subungual hematoma or a displaced phalangeal fracture, optimal treatment requires removal of the nailplate, reduction of the fracture, and meticulous repair of the nailbed.
Subungual
Definition:
(a.) Under the nail or hoof.
Example Sentences:
(1) Subungual hair penetration appears to be much less common.
(2) Roentgenologic examination is indicated in the differential clinical diagnosis of any subungual mass.
(3) Pterygium inversum unguis (PIU) is a digital anomaly characterized by adherence of the subungueal tissue to the ventral surface of the distal nail plates.
(4) A marked predilection for palms, soles, and subungual locations was displayed.
(5) The authors believe that patients presenting with a subungual hematoma involving greater than one half of the nail surface and a fracture of the distal phalanx should have the nail lifted and the nail bed explored and repaired.
(6) (1) Proximal white subungual onychomycosis or superficial white onychomycosis, especially of the fingernails, is present.
(7) Acral melanoma occurs in the volar surface of the hands, feet, fingers, toes and subungual sites.
(8) The primary lesion arose from the plantar or palmar skin in 25 patients and 9 patients had subungual lesions.
(9) Primary lesions on the arm and thigh did better than lesions of the hand or foot, with plantar and subungual lesions having the least favorable results.
(10) Thirty-three patients with subungual melanoma whose median age was 56 yr underwent treatment between 1950 and 1975.
(11) A much larger proportion of melanomas in Hispanics occurred on the palms, soles, and in subungual regions.
(12) Factors unrelated to survival included sex of the patient, site (volar vs. subungual), histology, and treatment with amputation.
(13) In proximal subungual onychomycosis, the fungus infects the cuticle and eponychium to reach the matrix where it becomes enclosed into the nail plate substance.
(14) The incidence of subungual exostosis accounted for 4.6% of all bone tumor.
(15) In contrast to Caucasians, Japanese people have a relatively high incidence of malignant melanoma in the oral cavity and volar-subungual skin.
(16) On conducting a literature search, we were unable to find any studies that investigated the association between subungual hematomas, fractures, and the presence of an occult laceration of the nail bed requiring repair.
(17) Comparison is also made between melanomas arising on the dorsal non-subungual surface of the hand and those on the face, a region with an equivalent surface area and similar sun exposure.
(18) Subungual basal cell cancers are extremely rare, and a case is presented herein.
(19) We report a case of dyskeratotic subungual tumor in a 28-year-old woman.
(20) Light and electron microscopic studies of the subungual tumors were made.