A manual of the diseases of the skin / by Balmanno Squire.

  • Squire, Balmanno (Alexander John Balmanno), -1908.
Date:
1868
Catalogue details

Licence: Public Domain Mark

Credit: A manual of the diseases of the skin / by Balmanno Squire. Source: Wellcome Collection.

Provider: This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.

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    Suction III.—TINEA DECALVANS. Tinea decaivans, or the ' smooth ringworm' {vide frontispiece)., a disease that is produced by the Micro- sporon Audoniui, commences (usually on some part of the hairy scalp) with slight itching. The itching is confined to a limited spot, the hair growing from which may on examination be found to have lost its natural gloss, as well as its natural firmness of attach- ment to the skin, since on pulling at it it readily comes off. On examining by the touch the correspond- ing patch of skin, it may be ascertained that it is slightly indurated. Very soon the loosened hair falls off, and it may be seen that the disease occupies a small, well-defined area which is completely denuded of hair. On a cur- sory view, the most striking peculiarities of the dis- ease at this stage are, the perfect baldness of the patch, which is smoother than the most closely-shaven beard; the absence of any other notable change in the affected skin; and the abrupt manner in which the baldness ceases at the margin of the patch, the hair immediately surrounding which is as thickly set and as long as on any other part of the scalp. On examining more closely, however, it may be found that the skin corresponding to the bald patch is slightly thickened and indurated, is somewhat paler than the surrounding skin, and has something of a polished appearance; and, furthermore, that the hair immediately around the patch has lost its gloss and