Sign up for the ongoing Dermatology course at Kings for FMGE 2023
Kings International Medical Academy is presently offering comprehensive FMGE coaching classes, placing special emphasis on dermatology as the exam date draws near. Dr. Akhilesh, a highly respected member of the faculty, is currently conducting lessons on the fascinating topic of Skin Appendages. Let’s explore this subject in-depth and enhance our understanding today.
Skin Appendages
Hair – Trichology
Scalp hair – 0.4mm/day
Alopecia Universalis- no hair – body
Totalis- no hair – scalp
Ophiasis – peripheral hair loss
Sisaipho- central hair loss
Stages:
Anagen → catagen → Telogen
85% → 1.2% → 8.9%
3y (3.6y) 310 k 3m
Sweat-gland:
Duct – epidermis
Sebaceous gland:
Duct → hair follicle
Pilo-sabaceous unit → acne-vulgaris
Skin lesions – 1° (primary)
2° (secondary)
- a) Crust
- b) St. Corneum
Layer → Scale → Ps
Groove → Burrow → Scabies
Thickening → Lichenification → Ch. Dermatitis
Erythroderma
Histopath→
1) Acanthosio → Thickening of spinosym
2) Hyperkeratosis → Hyperplasia of Keratinocyte
3) Para-Keratosis → Present of Nuclei
4) Dyskeratosis (Darrier disease) → Defective keratinisation
5) Hypogranulosis, Hyper-granulosis
6) Epidermal- edema
Ballooning
1) Intra-cellular → Acute Eczema, Hespes
2) Inter-cellular → Spongiosis, Spinosum
7) Mycosis → Pautrier abscess
aka ↓
Cutaneous T-cell-lymphoma
P50 → Corneum
8) Acantholysis
Separation of spinosum
– Auto-immune
– Vesico-bullous disease
Tzanck Smear → MNGC
→ Multi-nucleated giant cells
→ Syncytism
→ Herpes, chicken-pox
