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100 Cases in Dermatology pdf

100 Cases in Dermatology – A 23-year-old African Caribbean woman presents in the emergency department with an acute onset facial rash. During initial assessment she complains of a two week history of general malaise, fatigue, fever, and weight loss. You have been assigned her examination…

100 Cases in Dermatology presents 100 scenarios with a dermatological manifestation commonly seen by medical students and junior doctors. A succinct summary of the patient’s history, examination and initial investigations, including full colour images showing presentation, is followed by questions on the diagnosis and management of each case. The answer includes a detailed discussion on each topic, with further illustration where appropriate, providing an essential revision aid as well as a practical guide for students and junior doctors.

Making clinical decisions and choosing the best course of action is one of the most challenging and difficult parts of training to become a doctor. These cases will teach students and junior doctors to recognize important dermatological symptoms and signs and, where appropriate, their relationship to other medical conditions, and to develop their diagnostic and management skills.


Dermatology is a broad and hugely enthralling specialty, where a clinician can actually visualize disease patterns up close – ‘in the flesh’. In many ways dermatology is the art of the ‘old-fashioned physician’ who relies on careful history-taking and a thorough examination to make the majority of diagnoses. For the non-specialist, dermatological ‘spot’ diagnoses made through pattern-recognition alone can be challenging; therefore, this book strives to offer ‘classic’ presentations of common skin disorders through the fundamental tools of medicine – namely, a detailed history and observed clinical signs. Part of the fascination with dermatological disorders is the ability of a physician to diagnose systemic disease through the observation of changes in the skin. Consequently, the accurate recognition of skin disorders is pertinent to all physicians in whatever field of medicine/surgery they are practising. Therefore, the cases selected in this book mainly reflect the interface between internal medicine and dermatology. It is often said that a picture is worth a thousand words; therefore, we hope that the clinical photographs accompanying each case will speak for themselves in many more words than we would ever be permitted to write.


The authors are indebted to all the patients who kindly allowed us to include their pictures in this book to illustrate the clinical signs. We would also like to sincerely thank the Medical Photography Departments in the St John’s Institute of Dermatology, Guy’s and St Thomas’ Hospital NHS Trust and King’s College Hospital NHS Trust for taking such excellent quality clinical images; and for the crucial role this plays in patient care and supporting ongoing Medical Education.


History A 26-week-old baby boy attends your clinic with his mother. He has developed a generalized dry, red, itchy rash over the past seven weeks. His mother has been applying a regular emollient diligently and using a bath emollient. She reports that he is waking more and more frequently at night and appears to be troubled by his skin. She is worried about weaning him. He is currently breast-fed and his mother has an unrestricted diet. He has been offered a bottle of formula milk, but took only 60 mL before vomiting and developing a rash. He also developed a rash when his father kissed him, immediately after eating an egg mayonnaise sandwich. He is the first baby of his parents; his mother had asthma in childhood and his father is allergic to shellfish. There are no pets at home. His father is a smoker. The baby was born at term by normal vaginal delivery and is vaccinated to date.

Examination – 100 Cases in Dermatology

His height has reached a plateau over the past eight weeks and now rests on the 9th centile for his age. He is alert and happy, although he rubs his legs vigorously when undressed. He has generally dry skin, with widespread low-grade erythema and raised, poorly defined patches of active eczema; there are widespread excoriations (Fig. 1.1) and no clinical evidence of impetiginization. He has low-grade generalized shotty lymphadenopathy. The rest of his examination is normal.

100 Cases in Dermatology – Table of Contents

Atopic eczema
Infected eczema (bacterial)
Eczema herpeticum
Seborrhoeic Dermatitis: adult
Pompholyx eczema
Varicose eczema
Allergic contact dermatitis: nickel
Allergic contact dermatitis: other medicament- neomycin/PPD etc)
Urticaria Pigmentosa
Chronic plaque psoriasis
Guttate psoriasis
Erythrodermic psoriasis
Polymorphic light eruption
Porphyria cutanea tarda
Erythropoietic porphyria
Toxic erythema (drug eruption)
Fixed drug eruption
Erythema multiforme
Toxic epidermal necrolysis
DRESS (drug eruption eosinophilia and systemic symptoms)
AGEP (acute generalised exanthematous pustulosis)
Lichen planus
Bullous pemphigoid
Pemphigus vulgaris
Dermatitis herpetiformis
Pemphigoid gestationis
Pruritic urticarial papules and plaques of pregnancy (PUPPP)
Systemic sclerosis (CREST)
Systemic lupus erythematosus SLE
Subacute lupus erythematosus (SCLE)
Discoid lupus eruthematosus DLE
Neurofibromatosis type 1
Acanthosis nigricans
Pyoderma gangrenosum
Necrobiosis lipoidica
Pretibial myxoedema
Granuloma annulare
Venous leg ulcer
Arterial ulcer
Diabetic foot ulcer
Cavernous haemangioma
Port wine stain
Bowens disease
Basal Cell Carcinoma — nodular
Gorlins Syndrome
Squamous cell carcinoma
Naevi (junctional, compound, intradermal)
Dysplasic naevus syndrome
Lentigo maligna
Paget’s disease of the nipple
Malignant melanoma: superficial spreading
Malignant melanoma: nodular
Mycosis fungoides
B-cell lymphoma
Staphylococcal scalded skin syndrome (SSSS)
Syphilis (secondary)
Herpes labialis
Herpes zoster
Chicken pox
Primary HIV (seroconversion)
Candida (mouth, flexures)
Kaposi’s sarcoma
Tinea capitis
Tinea incognito
Alopecia areata
Androgenetic alopecia
Transplant patient with dysplastic lesions
Incontinentia pigmenti
Xeroderma pigmentosa
Ichthyosis (X-linked has the nice labour link for the history)
Tuberous sclerosis
Erythema gyratum repens
Ehlers danlos

Editorial Reviews

100 Cases in Dermatology – Review

“This book would be helpful for first-year dermatology residents, interns, and medical students. You can learn some useful dermatology quickly by studying the photographs and get a current idea about treatments, pathophysiology, and presentation. The book would be an easy way to test your knowledge in preparation for taking the boards and identifying weak spots in your learning.” — Doody’s

Author(s) Bio

Rachael Morris-Jones, Consultant Dermatologist & Honorary Senior Lecturer, King’s College
Hospital, London, UK
Ann-Marie Powell, Consultant Dermatologist, St John’s Institute of Dermatology, Guy’s and St Thomas’ NHS Trust,
London, UK
Emma Benton, Post-CCT Clinical Research Fellow, St John’s Institute of Dermatology, Guy’s and St Thomas’ NHS Trust,
London, UK

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