Case discussion 1.1 A 56 year-old female with painful blister for 2 weeks 1.2 A 24 year-old female with multiple blistering eruption for 1 month 2. A 71 year-old female with multiple erosions for 2 months 3. A 51 year-old female with erythroderma 4.1 A 43 year-old male with leonine for 1 month facies for 4 years 4.2 A 48 year-old female with yellow plaques on eyelids for 4 years 5. A 42 year-old male with mulitple papules for 8 years Demonstrate case 6. Linear lgA bullous dermatosis 7. Erythema elevatum diutinum 8. Juvenile xanthogranuloma 9.1 Rosai-Dorfman disease 9.2 Rosai-Dorfman disease 10. Nodular amyloidosis 11. Porokeratosis eccrine ostrial and dermal duct nevus 12. Hypertrophic discoid lupus erythematosus 13. Localized mycosis fungoides 14. Inflammatory linear verrucous epidermal nevus 15. Linear lichen planus 16. Linear psoriasis 17. Angioma serpiginosum 18. Lichen planopilaris with frontal fibrosing alopecia 19. Darier's disease 20. Follicular spicules 21. Disseminated strongiloidosis 22. Disseminated Mycobacterium abscessus infection 23.1 Borderline lepromatous leprosy 23.2 Borderline lepromatous leprosy 24.1 Erythema papulatum centrifugum 24.2 Erythema papulatum centrifugum 25. lmatinib-induced psoriasiform eruption 26. Nocardial mycetoma