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This sqadia.com medical lecture delivered by our medical specialist, Dr Mahwish Dildar majorly focuses on the introduction to dermatology. An elaborate explanation is provided on structure and function of skin along with ectodermal appendages (nails and hair). Alongside this, primary and secondary skin lesions have been comprehensively been delineated. In addition to this, special skin lesions like erythema, petechiae, purpura and other categories have been highlighted. Towards the end, dermoscopy, diascopy, skin biopsy, scrapping methodologies have been discussed under diagnostic procedures. Whereas, amongst the treatment strategies, steroids, Mohs microsurgery and phototherapy has been conversed about.
General Aspects of Skin
First section of this medical lecture emphasizes upon the general aspects of skin. The educator began by defining the term dermatology and skin. Additionally, structure of skin and three layers of skin (hypodermis, dermis and epidermis) has been discussed. Moreover, functions of skin and ectodermal appendages of skin have been shed light upon. The latter include a discussion on hair and nails.
Primary Skin Lesions
This section focuses on the primary skin lesions. In the commencement, visible but impalpable lesions called macule has been elaborated. These include Becker nevus, erythrasma, lentigo, etc. Alongside this, patches have also been elaborated. On the contrary, visible but palpable lesions called papule has also been conversed about. These encompass various types like seborrheic keratosis, melanoma and dermatofibroma. Other types of visible but palpable lesions called plaques, nodules, tumors and wheal has been comprehensively explained. Furthermore, fluid containing lesions termed as pustules, vesicles and bullae have been highlighted.
Secondary Skin Lesions
Secondary skin lesions are the major topic of discussion in this section. Dr Mahwish has enlightened about the scales, exfoliation, hyperkeratosis and ichthyosis. Moreover, scars, fissures, erosions and ulcers have been talked about. Towards the end, crust/scabs and atrophy has been extensively delineated.
Special Skin Lesions
This section primarily talks about the special skin lesions. At the commencement, excoriation and lichenification has been conversed about. Amongst the category of the ailments concerning blood vessels, erythema, petechiae, purpura, ecchymoses, telangiectasia and gangrene has been shed light upon. Subsequently, milia, comedone and burrows have been explained in detail. In the end, circumscribed lesions entitled cysts have been elucidated.
Basic Diagnostic Procedures and Treatments
This section elaborates about the various basic diagnostic procedures and treatment strategies. Amongst the range of diagnostic techniques, dermoscopy and diascopy have been explained. Following this, patch testing, scrapping and direct immunofluorescence methods have been deliberated. Moreover, skin biopsy including punch, shave, incisional and excisional biopsies can also be an adopted strategy. Treatment options including topical steroids, bleaching agents along with phototherapy has been discussed. Alongside these ways, other treatments include the Mohs micrographic microsurgery, cryotherapy and course of antimicrobial agents.