Acrodermatitis chronica atrophicans (Herxheimer disease, primary diffuse atrophy)
Actinic elastosis (solar elastosis)
Anetoderma (anetoderma maculosa, anetoderma maculosa cutis, atrophia maculosa cutis, macular atrophy)
Blepharochalasis
Cutis laxa (chalazoderma, dermatochalasia, dermatolysis, dermatomegaly, generalized elastolysis, generalized elastorrhexis, pachydermatocele)
Cutis rhomboidalis nuchae
Ehlers–Danlos syndrome (cutis hyperelastica, elastic skin, India rubber skin)
Elastosis perforans serpiginosa
Homocystinuria
Jadassohn–Pellizzari anetoderma
Linear focal elastosis (elastotic striae)
Loeys–Dietz syndrome
Marfan syndrome
Occipital horn syndrome
Osteogenesis imperfecta (Lobstein syndrome)
Perforating calcific elastosis (localized acquired cutaneous pseudoxanthoma elasticum, perforating periumbilical calcific elastosis, periumbilical perforating pseudoxanthoma elasticum)
Pseudoxanthoma elasticum (Grönblad–Strandberg syndrome)
Reactive perforating collagenosis
Schweninger–Buzzi anetoderma
Sclerotic fibroma
Striae atrophicans
Striae distensae
Ullrich disease
Verrucous perforating collagenoma
Wrinkly skin syndrome

Dermal and subcutaneous growths
Dermal and subcutaneous growths result from (1) reactive or neoplastic proliferation of cellular components of the dermis or subcutaneous tissue, or (2) neoplasms invading or aberrantly present in the dermis.
Acute cutaneous lupus erythematosus
Atrophoderma of Pasini and Pierini (dyschromic and atrophic variation of scleroderma, morphea plana atrophica, sclérodermie atrophique demblée)
Calcinosis–Raynaud phenomenon–esophageal dysmotility–sclerodactyly–telangiectasia syndrome (CREST syndrome)
Chilblain lupus erythematosus (chilblain lupus erythematosus of Hutchinson)
Childhood dermatomyositis
Childhood discoid lupus erythematosus
Childhood systemic lupus erythematosus
Complement deficiency syndromes
Dermatomyositis
Ehlers–Danlos syndrome
Eosinophilia–myalgia syndrome
Frontal linear scleroderma (en coup de sabre, morphea en coup de sabre) 
Generalized discoid lupus erythematosus
Generalized morphea
Interstitial granulomatous dermatitis
Juvenile rheumatoid arthritis (juvenile idiopathic arthritis, Stills disease)
Keloid morphea
Linear atrophoderma of Moulin (Moulin atrophoderma linearis)
Linear scleroderma
Localized discoid lupus erythematosus
Localized morphea 
Lupus erythematosus panniculitis (lupus erythematosus profundus, lupus panniculitis, lupus profundus, subcutaneous lupus erythematosus)
Lupus erythematosus–lichen planus overlap syndrome (lichen planus–lupus erythematosus overlap syndrome)
Methotrexate-induced papular eruption
Mixed connective tissue disease (Sharps syndrome, undifferentiated connective tissue disease)
Morphea profunda
Morphea–lichen sclerosus et atrophicus overlap
Mouth and genital ulcers with inflamed cartilage syndrome (MAGIC syndrome)
Neonatal lupus erythematosus
Nephrogenic systemic fibrosis (nephrogenic fibrosing dermopathy)
Nicolau–Balus syndrome
Nodulosis–arthropathy–osteolysis syndrome
Normophosphatemic familial tumoral calcinosis
Palisaded neutrophilic and granulomatous dermatitis
Pansclerotic morphea
Parry–Romberg syndrome (progressive hemifacial atrophy)
Progressive systemic sclerosis
Relapsing polychondritis (atrophic polychondritis, systemic chondromalacia)
Rheumatoid arthritis
Rheumatoid nodulosis (accelerated rheumatoid nodulosis)
Rheumatoid vasculitis
Rowells syndrome
Scleredema adultorum (Bushke disease, scleredema diabeticorum, scleredema adultorum of Buschke, scleredema of Buschke)
Silicosis
Sjögrens syndrome (Mikulicz disease, Sicca syndrome)
Subacute cutaneous lupus erythematosus
Systemic lupus erythematosus
Toxic oil syndrome
Tumid lupus erythematosus (lupus erythematosus tumidus)
Tuzun syndrome
Verrucous lupus erythematosus (hypertrophic lupus erythematosus)
Winchester syndrome

Abnormalities of dermal fibrous and elastic tissue
Abnormalities of dermal fibrous and elastic tissue are caused by problems in the regulation of collagen synthesis or degradation.