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Differential Diagnosis For Subcutaneous nodules, Exposure/Benzene past history
- Trauma Causes
Insect bites- Infectious Disorders (Specific Agent)
Immune deficiency , acquired (AIDS/HIV)
Infestations/fleas/mites/lice
Sporotrichosis
Cryptococcosis
Glanders (malleomyces mallei)
Loiasis/Loa loa infestation
American leishmaniasis/cutaneous
Bartonellosis
Blastomycosis
Coccidioidomycosis
Cytomegalic virus, congenital
Glanders abscess
Histoplasmosis, African
Mycobacterium marinum/granuloma skin
Skin infections/Pyoderma
Toxoplasmosis, congental
Whipples disease
Chromoblastomycosis/chromomycosis
Farcy/Cutaneous Glanders
Pseudallesceriasis/mycosis- Infected organ, Abscesses
Furunculosis
Abscess, subcutaneous
Carbuncle
Pyoderma granuloma (vegetans)
Pyogenic granuloma- Granulomatous, Inflammatory Disorders
Panniculitis
Sarcoidosis
Wegeners granulomatosis- Neoplastic Disorders
Hemangioma
Lipoma
Leukemia, acute
Melanoma, malignant
Hodgkin's disease
Kaposi Sarcoma
Sarcoma/soft tissue
Melanoma, juvenile
Leukemia
Light chain disease
Myelodysplasia Myelodysplastic Syndrome
Myelogenous leukemia, chronic
Neuroblastoma
Adenocarcinoma, pancreatic
Amyloidosis with multiple myeloma
Angiosarcoma
Fibrosarcoma
Liposarcoma
Metastatic breast carcinoma to skin
Multiple myeloma
Neurofibroma
Skin carcinoma, metastatic source
Spindle cell tumor/sarcoma
Leukemia, congenital
Hemangiomatosis, systemic
Reticulohistiocytoma, multicentric- Allergic, Collagen, Auto-Immune Disorders
Juvenile rheumatoid arthritis/Stills d
Rheumatic fever
Rheumatoid arthritis
Erythema nodosum
Juvenile chronic arthritis (rheumatoid)
Neonatal subcutaneous fat necrosis
Panniculitis, nodular nonsuppurative
Polyarteritis nodosa
Rheumatoid arteritis/vasculitis
Rheumatoid nodule
Polyarteritis nodosa, infantile- Metabolic, Storage Disorders
Gout
Tophi/Gouty tophi
Pseudogout syndrome
Hemochromatosis
Fabrys disease/Angiokeratatosis (trihexose ceramide)
Amyloidosis, primary nonhereditary
Farber disease/ceramide lipidosis- Biochemical Disorders
Calciphylaxis/Calcinosis- Congenital, Developmental Disorders
Arteriovenous malformations
Angiokeratoma circumscripta/idiopathic
Dermoid cyst- Hereditary, Familial, Genetic Disorders
Ehlers-Danlos syndrome
Gardner syndrome
Neurofibromatosis
Tuberous Sclerosis
Lipodystrophy, generalized- Anatomic, Foreign Body, Structural Disorders
Sebaceous cyst
Soft tissue foreign body/subcutaneous- Reference to Organ System
Anemia, aplastic
Calcinosis
Epidermoid cysts/multiple sebaceous
Granuloma annulare
Adiposis dolorosa (Dercum)
Calcinosis circumscripta
Calcinosis universalis- Eponymic, Esoteric Disorders
Blue rubber bleb nevus syndrome
Rothmann-Makai syndrome- Idiopathic, Unclassified Disorders
Multiple Symmetric lipomatosis- Drugs
Foreign protein injection- Poisoning (Specific Agent)
Benzene poisoning- Organ Poisoning (Intoxication)
Pneumoconiosis, rheumatoid