| 1. | Acanthosis Nigricans (1 recruiting study) |
| 2. | Albinism (2 recruiting studies) |
| 3. | Alopecia (2 recruiting studies) |
| 4. | Alopecia Areata (2 recruiting studies) |
| 5. | alpha 1-Antitrypsin Deficiency (1 recruiting study) |
| 6. | Arthritis, Juvenile Rheumatoid (9 recruiting studies) |
| 7. | Arthritis, Psoriatic (3 recruiting studies) |
| 8. | Arthritis, Rheumatoid (40 recruiting studies) |
| 9. | Behcet Syndrome (1 recruiting study) |
| 10. | Blastomycosis (1 recruiting study) |
| 11. | Blister (1 recruiting study) |
| 12. | Cicatrix (1 recruiting study) |
| 13. | Collagen Diseases (5 recruiting studies) |
| 14. | Condylomata Acuminata (1 recruiting study) |
| 15. | Connective Tissue Diseases (144 recruiting studies) |
| 16. | CREST Syndrome (1 recruiting study) |
| 17. | Decubitus Ulcer (1 recruiting study) |
| 18. | Dermatomycoses (1 recruiting study) |
| 19. | Dermatomyositis (7 recruiting studies) |
| 20. | Diabetes Mellitus, Lipoatrophic (1 recruiting study) |
| 21. | Diabetic Foot (2 recruiting studies) |
| 22. | Dupuytren's Contracture (2 recruiting studies) |
| 23. | Dyskeratosis Congenita (1 recruiting study) |
| 24. | Eczema (1 recruiting study) |
| 25. | Exanthema (1 recruiting study) |
| 26. | Foot Diseases (1 recruiting study) |
| 27. | Foot Ulcer (3 recruiting studies) |
| 28. | Ganglion Cysts (48 recruiting studies) |
| 29. | Hair Diseases (3 recruiting studies) |
| 30. | Herpes Simplex (7 recruiting studies) |
| 31. | HIV-Associated Lipodystrophy Syndrome (1 recruiting study) |
| 32. | Hyperpigmentation (2 recruiting studies) |
| 33. | Hypohidrosis (1 recruiting study) |
| 34. | Hypopigmentation (1 recruiting study) |
| 35. | Hypotrichosis (2 recruiting studies) |
| 36. | Keloid (1 recruiting study) |
| 37. | Keratosis (2 recruiting studies) |
| 38. | Leg Ulcer (5 recruiting studies) |
| 39. | Lentigo (1 recruiting study) |
| 40. | Lichen Planus (1 recruiting study) |
| 41. | Lipodystrophy (6 recruiting studies) |
| 42. | Lupus (22 recruiting studies) |
| 43. | Lupus Erythematosus, Cutaneous (2 recruiting studies) |
| 44. | Lupus Erythematosus, Systemic (17 recruiting studies) |
| 45. | Lupus Nephritis (4 recruiting studies) |
| 46. | Lymphomatoid Papulosis (1 recruiting study) |
| 47. | Mastocytosis (5 recruiting studies) |
| 48. | Melanosis (2 recruiting studies) |
| 49. | Menkes Kinky Hair Syndrome (1 recruiting study) |
| 50. | Mixed Connective Tissue Disease (1 recruiting study) |
| 51. | Mucinoses (2 recruiting studies) |
| 52. | Mucocutaneous Lymph Node Syndrome (1 recruiting study) |
| 53. | Mucopolysaccharidoses (3 recruiting studies) |
| 54. | Mucopolysaccharidosis I (2 recruiting studies) |
| 55. | Mucopolysaccharidosis IV (9 recruiting studies) |
| 56. | Mucopolysaccharidosis VI (2 recruiting studies) |
| 57. | Neoplasms, Connective Tissue (40 recruiting studies) |
| 58. | Neurocutaneous Syndromes (16 recruiting studies) |
| 59. | Osteogenesis Imperfecta (4 recruiting studies) |
| 60. | Parapsoriasis (1 recruiting study) |
| 61. | Pemphigus (1 recruiting study) |
| 62. | Peutz-Jeghers Syndrome (1 recruiting study) |
| 63. | Photosensitivity Disorders (2 recruiting studies) |
| 64. | Pigmentation Disorders (5 recruiting studies) |
| 65. | Porphyria (1 recruiting study) |
| 66. | Porphyria, Erythropoietic (1 recruiting study) |
| 67. | Pruritus (1 recruiting study) |
| 68. | Psoriasis (8 recruiting studies) |
| 69. | Rheumatic Diseases (66 recruiting studies) |
| 70. | Scleroderma, Localized (3 recruiting studies) |
| 71. | Scleroderma, Systemic (7 recruiting studies) |
| 72. | Sjogren's Syndrome (4 recruiting studies) |
| 73. | Skin Abnormalities (3 recruiting studies) |
| 74. | Skin and Connective Tissue Diseases (140 recruiting studies) |
| 75. | Skin Diseases (83 recruiting studies) |
| 76. | Skin Diseases, Bacterial (5 recruiting studies) |
| 77. | Skin Diseases, Genetic (4 recruiting studies) |
| 78. | Skin Diseases, Infectious (12 recruiting studies) |
| 79. | Skin Diseases, Metabolic (6 recruiting studies) |
| 80. | Skin Diseases, Papulosquamous (8 recruiting studies) |
| 81. | Skin Diseases, Vascular (4 recruiting studies) |
| 82. | Skin Diseases, Vesiculobullous (1 recruiting study) |
| 83. | Skin Diseases, Viral (6 recruiting studies) |
| 84. | Skin Manifestations (2 recruiting studies) |
| 85. | Skin Neoplasms (12 recruiting studies) |
| 86. | Skin Ulcer (6 recruiting studies) |
| 87. | Spondylitis, Ankylosing (5 recruiting studies) |
| 88. | Staphylococcal Skin Infections (2 recruiting studies) |
| 89. | Temporal Arteritis (1 recruiting study) |
| 90. | Tuberculosis, Cutaneous (2 recruiting studies) |
| 91. | Urticaria (4 recruiting studies) |
| 92. | Urticaria Pigmentosa (2 recruiting studies) |
| 93. | Varicose Ulcer (1 recruiting study) |
| 94. | Warts (1 recruiting study) |
| 95. | Wolman Disease (1 recruiting study) |
| 96. | Xanthomatosis (2 recruiting studies) |
| 97. | Xanthomatosis, Cerebrotendinous (2 recruiting studies) |
| 98. | Xeroderma Pigmentosum (2 recruiting studies) |
