26 Result(s)
within
Chapter
Mohamed L. Elsaie
-
Chapter
Multiple Papular and Nodular Facial Lesions
Basosquamous carcinoma (BSC) is a distinct tumor with particular clinical and dermoscopic behavior that is considered as an apparent continuum between BCC and squamous cell carcinoma (SCC). Dermoscopy increase...
-
Chapter
Erythematous Patch on the Antecubital Fossa
Infantile hemangiomas (IHs) are the most common benign childhood tumors, characterized by a rapid growth phase (0–12 months) followed by a slow involution phase (5–9 years). Up to 70% of IHs resolve with probl...
-
Chapter
Pediculid: An Autosensitization Dermatitis Developed as an-Id Reaction to Pediculosis Infestation
Pediculosis capitis is a worldwide infestation caused by Pediculus humanus capitis ectoparasite that only lives on the hairs of the scalp. As a result of severe itching excoriation, secondary bacterial infection,...
-
Chapter
Unusual Pigmentation of Skin and Hair
Griscelli syndrome (GS) is a rare autosomal recessive disorder, characterized by unusual hypopigmentation of skin and hair. Its onset appears soon after birth between 4 months and 7 years of age with no sex pr...
-
Chapter
A Disfiguring Scalp Lesion
Discoid lupus erythematosus (DLE) represents the most common subtype of cutaneous lupus erythematosus. Although clinical characteristics of DLE have been well described, differentiation from inflammatory, infe...
-
Chapter
Scaly Itchy Lesion of Glans Penis
Genital psoriasis affects approximately 63% of psoriasis patients at least once in their lifetime. More than any other area on the body, genital lesions significantly impair patients’ quality of life. In 2–5% ...
-
Chapter
Well Defined Round Nodules of the Thigh
Keloids and hypertrophic scars are abnormal wound responses characterized by the overgrowth of fibroblastic tissues during skin healing. They not only cause aesthetic problems, but also symptomatic problems su...
-
Chapter
Itchy Scalp
The head louse, Pediculus humanus capitis, is the most important ectoparasite causing many health problems. Several linkages are presented for this parasite, each representing a particular geographical distrib...
-
Chapter
A 58-Year-Old Man with Alopecia on the Frontal Area
Frontal fibrosing alopecia, first described by Kossard in the early 1990s, is a form of primary lymphocytic cicatricial alopecia characterized by selective involvement of the frontotemporal hairline and eyebro...
-
Chapter
Localized Scaly Hair Loss
Tinea capitis (TC) is a widespread scalp infection caused by dermatophytes, occurring predominantly in children. The distribution of causative species of dermatophytes varies greatly in different geographic re...
-
Chapter
Patchy Atypical Hair Loss in an Infant
Tinea capitis remains a common childhood infection in many parts of the world. Yet knowledge of the underlying pathogenetic mechanisms and the development of effective immunity have shown striking advances. Mo...
-
Chapter
An Localized Alopecia on the Scalp
Lichen planopilaris (LPP) is a primary cicatricial alopecia caused by chronic lymphocytic inflammation around the upper portion of the hair follicle. The origin of LPP, and the other primary cicatricial alopec...
-
Chapter
A Nodular Scalp Lesion
Vascular anomalies pose a diagnostic challenge due to inconsistent classification systems, poor understanding of natural history, and overlap** clinical and histological features.
-
Chapter
A Scaly Scalp in a Child
Tinea capitis is a scalp infection caused by different fungi. Etiological diagnosis is based on suggestive clinical findings and confirmation depends on the fungus growth in culture. However, it is not always ...
-
Chapter
Localized Acquired Alopecia over the Mental Area of Chin
Congenital triangular alopecia (CTA), also known as Brauer nevus or temporal triangular alopecia, may be present at birth or acquired during the first decade of life. It is a benign and unusual non-scarring tr...
-
Chapter
Skin Pigmentation at Angle of the Mouth
Port wine stains are vascular malformations composed of postcapillary venules in the dermis. The distribution of vessel size and depth varies among patients and even within the same lesion (superficial, deep o...
-
Chapter
Pruritic Erythematous Plaque on the Knee
Lichen planus is a chronic inflammatory disease that affects approximately 1–2% of the general population. About half of the patients with skin lesions have oral lesions, whereas about 25% present with oral le...
-
Chapter
Asymptomatic Skin Colored Nodule of the Buttocks
Juvenile Xanthogranuloma (JXG) is a non-Langerhans cell histiocytosis disorder. The lesions usually present as asymptomatic yellow-brown papules and nodules that are mostly self-limited. JXG can present anywhe...
-
Chapter
An Inflammatory Scalp Lesion with Hair Loss
Tinea capitis remains a common childhood infection in many parts of the world. Yet knowledge of the underlying pathogenetic mechanisms and the development of effective immunity have shown striking advances, an...
-
Chapter
Patchy, Bizarre Hair Loss on the Scalp
Trichotillomania is an often debilitating psychiatric condition characterized by recurrent pulling out of one’s own hair, leading to hair loss and marked functional impairment. Although discussed in the medica...
