Dermatome

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dermatome

[′dər·mə‚tōm]
(anatomy)
An area of skin delimited by the supply of sensory fibers from a single spinal nerve.
(embryology)
Lateral portion of an embryonic somite from which the dermis will develop.
(medicine)
Instrument for cutting skin for grafting.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Dermatome

 

cutis plate, the embryonic basis of the connective-tissue part of the skin, or dermis. (The dermis is also formed from some of the cells of the ganglionic plate that develops from the neural columns.)

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
These lesions develop in a dermatomal distribution (thoracic and lumbar dermatomes are most common).
The clinical manifestations of HZ are usually distinctive and characterized by painful vesicular rash appearing in a unilateral, dermatomal distribution. Disseminated lesions, visceral involvement or atypical clinical presentation may occur in imunocompromised host.
Out of the total number of 100 patients 89% of the patients had grouped vesicles, 79% had grouped papules and vesicles which were present in dermatomal distribution. This is in conformity with the study of Chaudhary et al, (5) who also noted the majority of the patients with erythematous papules and vesicles.
The straight leg rising (SLR) test is commonly positive in a dermatomal distribution among recently diagnosed sciatica.
(8) Herpes zoster is heralded by a sensation of tingling and burning in a unilateral dermatomal distribution accompanied by fever, chills, headache, stomachache, and/or malaise.
Physical examination demonstrated purple-black tender toes, bluish feet, cold up to both knees and decreased sensation to touch bilaterally without dermatomal distribution. Mild trophic changes to the digits were observed.
Herpes zoster is a common disease of the dorsal root ganglia and sensory nerve fibers clinically characterized by unilateral painful vesicular eruption of the skin in a dermatomal distribution. Segmental motor weakness is a rare complication that occurs in 0-5 percent of patients and is associated with an excellent prognosis for recovery.
% Male 44 54.32 42 51.85 Female 37 45.67 39 48.14 Total 81 100 81 100 Table 4: Dermatomal distribution in both the groups Distribution Valacyclovir Famcyclovir Thoracic 33 (40%) 30(37%) Cervical 16(20%) 19(23%) Trigeminal 20(25%) 19(23%) Lumbar 12(15%) 13(17%) Table 5 Variables Full Crusting Healing Loss of Pain V F V F V F Mean 9.73 10.43 20.32 20.66 21.03 22.15 Sd 1.85 1.71 1.61 1.87 1.84 1.97 P< 0.00216 0.1933 0.00014 Table 6 Variables Full Crusting Healing Loss of Pain V F V F V F Mean 13.75 12.8 22.5 22.6 23.5 24.6 Sd 0.46291 0.83666 1.414214 0.83666 0.46291 1.516575
A dermatomal distribution would suggest herpes zoster.
A high index of suspicion for HZ is warranted in any patient presenting with a painful postoperative rash in a dermatomal distribution relevant to the site of surgery.
In temperate climates, this highly contagious virus has a seasonal prevalence in winter and spring.[1] Chickenpox is associated with a widespread vesicular exanthema that occurs without respect to dermatomal distribution (Figure 1) and has been well recognized by parents and pediatricians alike for more than 100 years.