Essentials of Diseases of the Skin

Part 1

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ESSENTIALS OF DISEASES OF THE SKIN

Including the Syphilodermata

Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine

HENRY W. STELWAGON, M.D., PH.D.

* * * * *

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A New and Complete Dictionary of the terms used in Medicine, Surgery, Dentistry, Pharmacy, Chemistry, and kindred branches; together with new and elaborate Tables of Arteries, Muscles, Nerves, Veins, etc.; of Bacilli, Bacteria, Micrococci, etc.; Eponymic Tables of Diseases, Operations, Signs and Symptoms, Stains, Tests, Methods of Treatment, etc. By W.A.N. Dorland, M.D., Editor of the American Pocket Medical Dictionary. Large octavo, nearly 800 pages, bound in full flexible leather. Price, $4.50 net; with thumb index, $5.00 net.

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ESSENTIALS OF DISEASES OF THE SKIN.

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OVER 290,000 COPIES

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Saunders' Question-Compends. No. 11.

ESSENTIALS OF DISEASES OF THE SKIN

Including the Syphilodermata

Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine

HENRY W. STELWAGON, M.D., PH.D.

Professor of Dermatology in the Jefferson Medical College, Philadelphia; Dermatologist to the Howard and Philadelphia Hospitals, etc.

Seventh Edition, Thoroughly Revised

Illustrated

Philadelphia and London W. B. Saunders Company 1909

Set up, electrotyped, printed, 1890. Reprinted July, 1891. Revised, reprinted, June, 1894. Reprinted March, 1897. Revised, reprinted, August, 1899. Reprinted September, 1901, May, 1902, September, 1903. Revised, reprinted January, 1905. Reprinted March, 1906. Revised, reprinted March, 1909.

Printed in America

Press of W. B. Saunders Company Philadelphia

PREFACE TO SEVENTH EDITION.

In the present--seventh--edition the subject matter, especially as regards the practical part, has been gone over carefully and the necessary corrections and additions made. Nineteen new illustrations have been added, a few of the old ones being eliminated. It is hoped that the continued demand for this compend means a widening interest in the study of diseases of the skin, sufficiently keen as to lead to the desire for a still greater knowledge.

H.W.S.

Part 3

PREFACE TO FIRST EDITION.

Much of the present volume is, in a measure, the outcome of a thorough revision, remodelling and simplification of the various articles contributed by the author to Pepper's System of Medicine, Buck's Reference Handbook of the Medical Sciences, and Keating's Cyclopædia of the Diseases of Children. Moreover, in the endeavor to present the subject as tersely and briefly as compatible with clear understanding, the several standard treatises on diseases of the skin by Tilbury Fox, Duhring, Hyde, Robinson, Anderson, and Crocker, have been freely consulted, that of the last-named author suggesting the pictorial presentation of the "Anatomy of the Skin." The space allotted to each disease has been based upon relative importance. As to treatment, the best and approved methods only--those which are founded upon the aggregate experience of dermatologists--are referred to.

For general information a statistical table from the Transactions of the American Dermatological Association is appended.

H.W.S.

CONTENTS.

PAGE ANATOMY OF THE SKIN 17 The Epidermis 18 The Blood-vessels 19 The Nervous and Vascular Papillæ 20 The Hair and Hair-follicle 21

SYMPTOMATOLOGY 22 Primary Lesions 22 Secondary Lesions 23 Distribution and Configuration 24 Relative Frequency 26 Contagiousness 27 Rapidity of Cure 27 Ointment Bases 27

CLASS I.--DISORDERS OF THE GLANDS 28 Hyperidrosis 28 Sudamen 30 Hydrocystoma 31 Anidrosis 31 Bromidrosis 32 Chromidrosis 32 Uridrosis 33 Phosphoridrosis 33 Seborrha (Eczema Seborrhoicum) 33 Comedo 38 Milium 42 Steatoma 43

CLASS II.--INFLAMMATIONS 44 Erythema Simplex 44 Erythema Intertrigo 45 Erythema Multiforme 46 Erythema Nodosum 50 Erythema Induratum 51 Urticaria 52 Urticaria Pigmentosa 56 Dermatitis 58 Dermatitis Medicamentosa 60 X-Ray Dermatitis 63 Dermatitis Factitia 64 Dermatitis Gangrænosa 65 Erysipelas 66 Phlegmona Diffusa 68 Furunculus 68 Carbunculus 70 Pustula Maligna 72 Post-mortem Pustule 73 Frambsia 73 Verruga Peruana 73 Equinia 74 Miliaria 74 Pompholyx 76 Herpes Simplex 78 Hydroa Vacciniforme 80 Epidermolysis Bullosa 80 Dermatitis Repens 81 Herpes Zoster 81 Dermatitis Herpetiformis 83 Psoriasis 86 Pityriasis Rosea 95 Dermatitis Exfoliativa 96 Lichen Planus 98 Pityriasis Rubra Pilaris 99 Lichen Scrofulosus 100 Eczema 100 Prurigo 118 Acne 119 Acne Rosacea 126 Sycosis 130 Dermatitis Papillaris Capillitii 135 Impetigo Contagiosa 136 Impetigo Herpetiformis 138 Ecthyma 138 Pemphigus 140

CLASS III.--HEMORRHAGES 144 Purpura 144 Scorbutus 146

CLASS IV.--HYPERTROPHIES 148 Lentigo 148 Chloasma 149 Keratosis Pilaris 151 Keratosis Follicularis 153 Molluscum Epitheliale 153 Callositas 155 Clavus 156 Cornu Cutaneum 158 Verruca 160 Nævus Pigmentosus 162 Ichthyosis 165 Onychauxis 167 Hypertrichosis 168 dema Neonatorum 170 Sclerema Neonatorum 171 Scleroderma 172 Elephantiasis 174 Dermatolysis 176

CLASS V.--ATROPHIES 177 Albinismus 177 Vitiligo 178 Canities 180 Alopecia 181 Alopecia Areata 183 Atrophia Pilorum Propria 187 Atrophia Unguis 188 Atrophia Cutis 189

CLASS VI.--NEW GROWTHS 191 Keloid 191 Fibroma 192 Neuroma 194 Xanthoma 195 Myoma 196 Angioma 196 Telangiectasis 197 Lymphangioma 198 Rhinoscleroma 198 Lupus Erythematosus 199 Lupus Vulgaris 203 Tuberculosis Cutis 209 Ainhum 212 Mycetoma 212 Perforating Ulcer of the Foot 213 Syphilis Cutanea 213 Lepra 231 Pellagra 235 Epithelioma 236 Paget's Disease of the Nipple 240 Sarcoma 241 Granuloma Fungoides 242

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