N K Singh MD FICP FACP F-RSSDIDirector, Department of Diabetology, Diabetes and Heart Research Centre, Dhanbad, Jharkhand, India; Vice President 2026-2029, RSSDI; Founder, CME IndiaAkashkumar N Singh MD (Medicine) MSc (Diabetes) FRCP (Edinburgh & Glasgow) FACP FICP FRSSDI Fellow - Diabetes India FIACM FISH FISC FCCDSIDirector, Department of Internal Medicine and Diabetes, Manjalpur Hospital Private Limited, Vadodara, Gujrat, IndiaAnuradha Kapoor MD PG Diploma in Clinical Endocrinology and Diabetes Fellow ICCMD (CCDSI)Preventive Diabetologist, Department of Diabetology, Lifeline Medicare Hospital, Mumbai, Maharashtra, IndiaAmit Kumar MD (Derm & STD)Dermatologist, Department of Dermatology, Cosmo Derma, Ranchi, Jharkhand, IndiaVijay Vishwanathan MD DNB FICP FRCP (Glasgow)Honorary President - D-Foot; International President - RSSDIHead and Chief Diabetologist, M Viswanathan Diabetes Research Centre, Chennai, Tamil Nadu, IndiaAnuj Maheshwari MD FACP FACE FRSSDI FRCP (London, Edinburgh)Diabetologist and Metabolic Physician, Professor in Medicine, Hind Institute of Medical Sciences, Ataria, Lucknow, India; President Elect, RSSDISanjay Agarwal MD FRSSDI FACE (USA)Secretary General - RSSDI; Director, Aegle Clinic, Diabetes Care Head, Department of Medicine and Diabetes, Senior Consultant in Diabetes and Endocrine Medicine Jehangir Hospital, Pune, Maharashtra, India

• Section I: Introduction and OverviewChapter 1: Epidemiology of Diabetes and Its Cutaneous ManifestationsChapter 2: Normal Skin and pathogenesis of skin changes in diabetesChapter 3: Common Skin Conditions in Diabetes and Their DistributionSection II: Dermatologic Conditions Directly Attributed to DiabetesChapter 4: Diabetic Dermopathy (Shin Spots) in a Type 2 Diabetic MaleChapter 5: Necrobiosis Lipoidica Based on a Skin BiopsyChapter 6: Bullosis DiabeticorumChapter 7: Bullous Pemphigoid in a Diabetic MaleChapter 8: Yellow Palms in Diabetes Mellitus: A Case of CarotenodermaChapter 9: Carotenemia in a Patient with Type 2 Diabetes MellitusChapter 10: Diabetic Rubeosis Faciei with Palmar ErythemaChapter 11: Finger Pebbles (Huntley's Papules) in a Diabetic MaleChapter 12: Perforating dermatosisA. Perforating Folliculitis in Uncontrolled DiabetesB. Acquired Perforating Dermatosis in a Diabetic Female with Chronic Renal FailureC. Kyrle's Disease in a Patient of Diabetes Mellitus and Chronic Kidney Disease on HemodialysisD. Acquired Perforating Dermatosis (Reactive Perforating Collagenosis Variant) in DiabetesE. Reactive Perforating CollagenosisF. Pruritic Perforating DermatosisSection III: Skin Conditions Associated with or Exacerbated by DiabetesChapter 13: Psoriasis in DiabetesChapter 14: Acanthosis Nigricans and Acrochordons (Skin Tags) in DiabetesChapter 15: Lichen Planus in DiabetesChapter 16: Xerosis and Pruritus in Diabetes (Dry Skin and Generalised Itch)Chapter 17: Subacute Eczema in DiabetesSection IV: Cutaneous Infections in DiabetesChapter 18: Fungal infectionsA. Dermatophyte Infection in Diabetes (Tinea and Onychomycosis)B. Candidiasis and Other Yeast Infections in DiabetesChapter 19: Bacterial Skin Infections in DiabetesA. Acute Paronychia in a Diabetic Male ErythrasmaB. Erythrasma in a Diabetic PatientC. Furunculosis in Diabetic PatientsD. Fournier's Gangrene in an Undiagnosed Diabetic MaleE. Carbuncle in a Diabetic FemaleF. Cutaneous Nontuberculous Mycobacterium Infections in DiabetesG. Necrotizing Skin and Soft Tissue Infections in Uncontrolled DiabetesChapter 20: Viral Skin Infections in Diabetes: Hemorrhagic Herpes Zoster (Multidermatomal)in an Uncontrolled Diabetic PatientSection V: Rare Dermatological Manifestations of Diabetes (Musculoskeletal and Connective Tissue Manifestations in Diabetes)Chapter 21: Diabetic Cheiroarthropathy (Diabetic Hand Syndrome/Stiff Skin Syndrome)in Long-standing DiabetesChapter 22: Scleredema Diabeticorum (Diabetic Scleroderma)Chapter 23: Granuloma Annulare in DiabetesChapter 24: Eruptive Xanthomas in Uncontrolled Diabetes MellitusChapter 25: Abdominal Pseudo-hernia Due to Diabetic Truncal NeuropathyChapter 26: Porphyria Cutanea Tarda in Patients with Type 2 Diabetes MellitusSection VI: Psychosocial and Cosmetic Skin Conditions in DiabetesChapter 27: Vitiligo in Diabetes (Autoimmune Pigmentary Changes)Chapter 28: Hidradenitis Suppurativa in DiabetesChapter 29: Alopecia in Diabetes (Hair Loss Associations)Chapter 30: Post-inflammatory Hyperpigmentation in Diabetes: Truncal DistributionSection VII: Dermatology of the Diabetic FootChapter 31: Non-Healing Foot Ulcer in Diabetes MellitusChapter 32: Non-Healing Trophic Ulcer in a Diabetic MaleChapter 33 Difficult-to-Treat Diabetic Foot Ulcer Complicated by OsteomyelitisChapter 34: Maggot Infestation in a Diabetic Foot Ulcer: Clinical Case and ReviewChapter 35: Diabetic Toe Gangrene (Dry Gangrene) in Uncontrolled DiabetesChapter 36: Diabetic Foot Gangrene with Heel Ulceration and Digital NecrosisChapter 37: Extensive Dry Gangrene of the Foot in a Diabetic SmokerSection VIII: Diagnostic and Special Considerations in Diabetic DermatologyChapter 38: Insulin Injection Site ReactionsA. Lipohypertrophy and LipoatrophyB. Allergic Contact Dermatitis from Insulin Pump AdhesiveC. Post-Inflammatory Hyperpigmentation following insulin InjectionsChapter 39: Cutaneous Adverse Effects of Diabetes TherapiesA. Gliptin-Induced Bullous PemphigoidB. Vildagliptin-Induced Bullous Pemphigoid - Blisters Unveiled

N K Singh MD FICP FACP F-RSSDIDirector, Department of Diabetology, Diabetes and Heart Research Centre, Dhanbad, Jharkhand, India; Vice President 2026-2029, RSSDI; Founder, CME IndiaAkashkumar N Singh MD (Medicine) MSc (Diabetes) FRCP (Edinburgh & Glasgow) FACP FICP FRSSDI Fellow - Diabetes India FIACM FISH FISC FCCDSIDirector, Department of Internal Medicine and Diabetes, Manjalpur Hospital Private Limited, Vadodara, Gujrat, IndiaAnuradha Kapoor MD PG Diploma in Clinical Endocrinology and Diabetes Fellow ICCMD (CCDSI)Preventive Diabetologist, Department of Diabetology, Lifeline Medicare Hospital, Mumbai, Maharashtra, IndiaAmit Kumar MD (Derm & STD)Dermatologist, Department of Dermatology, Cosmo Derma, Ranchi, Jharkhand, IndiaVijay Vishwanathan MD DNB FICP FRCP (Glasgow)Honorary President - D-Foot; International President - RSSDIHead and Chief Diabetologist, M Viswanathan Diabetes Research Centre, Chennai, Tamil Nadu, IndiaAnuj Maheshwari MD FACP FACE FRSSDI FRCP (London, Edinburgh)Diabetologist and Metabolic Physician, Professor in Medicine, Hind Institute of Medical Sciences, Ataria, Lucknow, India; President Elect, RSSDISanjay Agarwal MD FRSSDI FACE (USA)Secretary General - RSSDI; Director, Aegle Clinic, Diabetes Care Head, Department of Medicine and Diabetes, Senior Consultant in Diabetes and Endocrine Medicine Jehangir Hospital, Pune, Maharashtra, India

• Section I: Introduction and OverviewChapter 1: Epidemiology of Diabetes and Its Cutaneous ManifestationsChapter 2: Normal Skin and pathogenesis of skin changes in diabetesChapter 3: Common Skin Conditions in Diabetes and Their DistributionSection II: Dermatologic Conditions Directly Attributed to DiabetesChapter 4: Diabetic Dermopathy (Shin Spots) in a Type 2 Diabetic MaleChapter 5: Necrobiosis Lipoidica Based on a Skin BiopsyChapter 6: Bullosis DiabeticorumChapter 7: Bullous Pemphigoid in a Diabetic MaleChapter 8: Yellow Palms in Diabetes Mellitus: A Case of CarotenodermaChapter 9: Carotenemia in a Patient with Type 2 Diabetes MellitusChapter 10: Diabetic Rubeosis Faciei with Palmar ErythemaChapter 11: Finger Pebbles (Huntley's Papules) in a Diabetic MaleChapter 12: Perforating dermatosisA. Perforating Folliculitis in Uncontrolled DiabetesB. Acquired Perforating Dermatosis in a Diabetic Female with Chronic Renal FailureC. Kyrle's Disease in a Patient of Diabetes Mellitus and Chronic Kidney Disease on HemodialysisD. Acquired Perforating Dermatosis (Reactive Perforating Collagenosis Variant) in DiabetesE. Reactive Perforating CollagenosisF. Pruritic Perforating DermatosisSection III: Skin Conditions Associated with or Exacerbated by DiabetesChapter 13: Psoriasis in DiabetesChapter 14: Acanthosis Nigricans and Acrochordons (Skin Tags) in DiabetesChapter 15: Lichen Planus in DiabetesChapter 16: Xerosis and Pruritus in Diabetes (Dry Skin and Generalised Itch)Chapter 17: Subacute Eczema in DiabetesSection IV: Cutaneous Infections in DiabetesChapter 18: Fungal infectionsA. Dermatophyte Infection in Diabetes (Tinea and Onychomycosis)B. Candidiasis and Other Yeast Infections in DiabetesChapter 19: Bacterial Skin Infections in DiabetesA. Acute Paronychia in a Diabetic Male ErythrasmaB. Erythrasma in a Diabetic PatientC. Furunculosis in Diabetic PatientsD. Fournier's Gangrene in an Undiagnosed Diabetic MaleE. Carbuncle in a Diabetic FemaleF. Cutaneous Nontuberculous Mycobacterium Infections in DiabetesG. Necrotizing Skin and Soft Tissue Infections in Uncontrolled DiabetesChapter 20: Viral Skin Infections in Diabetes: Hemorrhagic Herpes Zoster (Multidermatomal)in an Uncontrolled Diabetic PatientSection V: Rare Dermatological Manifestations of Diabetes (Musculoskeletal and Connective Tissue Manifestations in Diabetes)Chapter 21: Diabetic Cheiroarthropathy (Diabetic Hand Syndrome/Stiff Skin Syndrome)in Long-standing DiabetesChapter 22: Scleredema Diabeticorum (Diabetic Scleroderma)Chapter 23: Granuloma Annulare in DiabetesChapter 24: Eruptive Xanthomas in Uncontrolled Diabetes MellitusChapter 25: Abdominal Pseudo-hernia Due to Diabetic Truncal NeuropathyChapter 26: Porphyria Cutanea Tarda in Patients with Type 2 Diabetes MellitusSection VI: Psychosocial and Cosmetic Skin Conditions in DiabetesChapter 27: Vitiligo in Diabetes (Autoimmune Pigmentary Changes)Chapter 28: Hidradenitis Suppurativa in DiabetesChapter 29: Alopecia in Diabetes (Hair Loss Associations)Chapter 30: Post-inflammatory Hyperpigmentation in Diabetes: Truncal DistributionSection VII: Dermatology of the Diabetic FootChapter 31: Non-Healing Foot Ulcer in Diabetes MellitusChapter 32: Non-Healing Trophic Ulcer in a Diabetic MaleChapter 33 Difficult-to-Treat Diabetic Foot Ulcer Complicated by OsteomyelitisChapter 34: Maggot Infestation in a Diabetic Foot Ulcer: Clinical Case and ReviewChapter 35: Diabetic Toe Gangrene (Dry Gangrene) in Uncontrolled DiabetesChapter 36: Diabetic Foot Gangrene with Heel Ulceration and Digital NecrosisChapter 37: Extensive Dry Gangrene of the Foot in a Diabetic SmokerSection VIII: Diagnostic and Special Considerations in Diabetic DermatologyChapter 38: Insulin Injection Site ReactionsA. Lipohypertrophy and LipoatrophyB. Allergic Contact Dermatitis from Insulin Pump AdhesiveC. Post-Inflammatory Hyperpigmentation following insulin InjectionsChapter 39: Cutaneous Adverse Effects of Diabetes TherapiesA. Gliptin-Induced Bullous PemphigoidB. Vildagliptin-Induced Bullous Pemphigoid - Blisters Unveiled