1. Common Skin Diseases DR . MOUSA BIN SAMHAN AL ENAZY

3. Burrows of scabies

55. Common Skin Diseases

61. A papule surrounded by a depigmented macule

62. Papule

63. Haemangioma

65. Plaques in psoriasis

67. Acute reaction to insect bite— bullae

69. Lichen simplex

71. Numular lesion as a response to a vaccination site in the arm

73. Pustule due to infection

75. Epidermal atrophy

77. Tropical ulcer

79. Bullous pemphigoid causing erosion

87. Contact dermatitis as a response to mascara

88. Irritant dermatitis

89. Allergic reaction producing photosensitivity

90. Small vesicles of eczema

91. Psoriasis of both legs

93. Herpes simplex

96. Psoriasis

98. Psoriasis of both legs

103. Pitting of the nail

104. Plaques

105. Large lesions

106. Plaques

108. Guttate psoriasis

110. Pustules on the foot

111. Rupoid lesions

112. Widespread pustular psoriasis

114. Scalp psoriasis

115. Annular lesions

116. Koebner’s phenomenon: psoriasis in surgical scar

117. Psoriasis of the nail

118. Psoriasis of the hand

123. Acute arthropathy

124. Acute arthropathy— X ray signs

127. Psoriasis suitable for short contact dithranol treatment

128. Guttate psoriasis suitable for ultraviolet B treatment

129. Ultraviolet B cabinet

130. Before phototherapy & After phototherapy

131. Erythematous psoriasis suitable for methotrexate treatment, having failed to respond to phototherapy

132. Psoriasis of the scalp This condition can be very difficult to clear, particularly if there are thick scales • 3% salicylic acid in a suitable base and left on for four to six hours or overnight and then washed out with a tar shampoo • Dithranol preparations are effective but will tint blonde or red hair purple • Steroid preparations can be used to control itching

133. Updated Guidelines of ACNE (2007)

136. Acne cysts and scars

137. Hypertrophic scars (from acne)

138. Acne vulgaris

139. Acne vulgaris

140. Acne conglobata

141. Acne fulminans

142. Acne keloidalis

152. Rosacea

153. Rhinophyma

155. Eczema and dermatitis

157. Eczema

160. Types of eczema Atopic eczema affects mainly the flexor surfaces of the elbows and knees as well as the face and neck. To a variable degree it can affect the trunk as well. Atopic eczema is common, affecting 3% of all infants, and runs a chronic course with variable remissions.

161. Nummular eczema Nummular eczema appears as coin shaped lesions on legs and trunk.

164. Infected eczema

167. Allergic response to sulfapyridine

168. Allergic response to topical neomycin (left). After stopping ointment (right)

169. Photodermatitis

170. Allergic reaction to cosmetics

176. Fungal and yeast infections

177. Fungal and yeast infections Tricophyton rubrum infection of the neck

178. Fungal infection of nail

179. Tinea pedis

181. Tinea corporis

182. Tinea cruris

184. Erythrasma

186. Tinea versicolor

187. Microsporum ringworm

190. Viral infections

191. Viral infections Herpes simplex The herpes simplex virus consists of two viral subtypes. Type I is associated with lesions on the face and fingers and sometimes genital lesions. Type II is associated almost entirely with genital infections

194. What is the cause of his rash?

203. Common warts

206. Treatment of warts with liquid nitrogen

214. Skin Pigment Disorders

216. Café-au-Lait Spot

217. vitiligo

218. Acanthosis Nigricans Benigna

224. What is the diagnosis?

225. What is the cause of his rash?

226. What is the likely diagnosis?

227. What is the likely diagnosis?

228. What is the likely diagnosis?

231. What is the likely diagnosis?

232. What is the likely diagnosis?

233. What is the likely diagnosis?

234. What is the likely diagnosis?

235. What is the likely diagnosis?

236. What is the likely diagnosis?

237. What is the likely diagnosis?

238. Thank you