Dr. Hall is presently director and  dermatologist at Baycity Dermatology, Geelong West, Australia, dermatologist to the Male Genital Dermatology Clinic at Skin and Cancer Foundation (Inc), Carlton and dermatologist to Barwon Health, Geelong, Australia. He is a Fellow of the Australasian College of Dermatologists. Dr. Hall's special areas of interest include genital dermatology and medical teaching. Presently Dr. Hall is an Associate Professor in the School of Medicine, Deakin University, Australia. 

Introduction.- History.- Examination.- Investigations and Genital Skin Biopsy.- General Management of Genital Skin Disease.- Pearly Penile Papules.- Ectopic Sebaceous Glands (Fordyce Spots) and Median Raphe Cysts.- Angiokeratoma of Fordyce.- Pigmentary Disorders and Color Variation.- Phimosis.- Balanitis and Balanoposthitis.- Intertriginous Dermatoses.- Psoriasis.- Atopic Dermatitis (Atopic Eczema).- Irritant (Contact) Dermatitis.- Allergic Contact Dermatitis.- Lichen Simplex Chronicus, Prurigo Nodularis, Picker's Nodule.- Seborrhoeic Dermatitis and Sebo-psoriasis.- Lichen Sclerosus.- Lichen Planus.- Plasma Cell (Zoon's) Balanitis.- Candidiasis.- Tinea (Dermatophytosis).- Herpes Simplex Virus.- Genital Warts (Condyloma Acuminata).- Molluscum Contagiosum.- Impetigo and Superficial Pyogenic Bacterial Infections.- Fournier's Gangrene.- MolluscumContagiosum.- Syphilis.- Scabies.- Pediculosis Pubis.- Genital Granulomatous Diseases.- Genital Edema and Lymphedema.- Male Genital Dysaesthesia.- Superficial Thrombophlebitis of the Penis (Penile Mondor's Disease).- Fixed Drug Eruption (Reaction).- Darier's Disease and Papular Acantholytic Dyskeratosis.- Hailey-Hailey Disease (Familial Benign Chroni Pemphigus).- Hidradenitis Suppurativa.- Pemphigus and Pemphigoid.- Aphthous Ulcers and Behçet's Disease.- Reactive Arthritis.- Trauma and Artefactual Disease.- Benign Melanocytic Nevus.- Genital Melanotic Macules and Genital Lentiginosis.- Seborrhoeic Keratoses.- Vitiligo and Acquired Depigmentation.- Scrotal Epidermal (Epidermoid) Cysts and Idiopathic Scrotal Calcinosis.- Penile Intraepithelial Neoplasia (Erythroplasia of Queyrat, Bowen's Disease.- Bowenoid Papulosis.- Pseudoepitheliomatous, Keratotic, and Micaceous Balanitisand Penile Cutaneous Horn.- Cancer of the Penis.- Buschke-Löwenstein Tumour (Giant Condyloma Acuminatum) and Verrucous Carcinoma.- Melanoma.- Extramammary Paget's Disease.