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Symptoms and Signs – Differential Diagnosis of Dermatitis Herpetiformis
• Linear IgA bullous dermatosis (not associated with glutensensitive enteropathy)
• Herpes zoster infection
• Herpes simplex infection
• Erythema multiforme
• Bullous pemphigoid
• Linear IgA bullous dermatosis (not associated with glutensensitive enteropathy)
• Herpes zoster infection
• Herpes simplex infection
• Erythema multiforme
• Bullous pemphigoid
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Symptoms and Signs -Differential Diagnosis of Dermatofibroma
• Angioma
• Basal cell carcinoma
• Foreign body reaction
• Insect bite
• Keloid
• Melanoma
• Nevus
• Prurigo nodularis
• Scar
• Wart
• Angioma
• Basal cell carcinoma
• Foreign body reaction
• Insect bite
• Keloid
• Melanoma
• Nevus
• Prurigo nodularis
• Scar
• Wart
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Sympotms and Signs – Differential Diagnosis of Dermatographism
• Aquagenic urticaria
• Cholinergic urticaria
• Cold urticaria
• Exercise-induced urticaria
• Heat urticaria
• Lupus
• Polymorphous light eruption
• Solar urticaria
• Aquagenic urticaria
• Cholinergic urticaria
• Cold urticaria
• Exercise-induced urticaria
• Heat urticaria
• Lupus
• Polymorphous light eruption
• Solar urticaria
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Symptoms and Signs – Differential Diagnosis of Dermatomyositis
• Amyotrophic lateral sclerosis
• Atopic dermatitis
• Contact dermatitis
• Diabetic amyotrophy
• Drug-induced myopathies
• Eaton-Lambert syndrome
• Guillain-Barré syndrome
• Hyperthyroidism or hypothyroidism
• Inclusion body myositis
• Lichen planus
• Muscular dystrophies
• Myasthenia gravis
• Polymyositis
• Psoriasis
• Seborrheic dermatitis
• Systemic lupus erythematosus (SLE)
• Amyotrophic lateral sclerosis
• Atopic dermatitis
• Contact dermatitis
• Diabetic amyotrophy
• Drug-induced myopathies
• Eaton-Lambert syndrome
• Guillain-Barré syndrome
• Hyperthyroidism or hypothyroidism
• Inclusion body myositis
• Lichen planus
• Muscular dystrophies
• Myasthenia gravis
• Polymyositis
• Psoriasis
• Seborrheic dermatitis
• Systemic lupus erythematosus (SLE)
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Symptoms and Sign – Differential Diagnosis of Crohn’s Disease
• Carcinoid tumors
• Celiac sprue
• Collagenous colitis
• Colon carcinoma
• Diverticulitis
• Fungal infections (Histoplasma, Actinomyces)
• Gay bowel syndrome (in homosexual patient)
• Infectious diseases (TB, Yersinia, Salmonella, Shigella, Campylobacter)
• Irradiation enteritis
• Ischemic colitis in elderly patients
• Lymphoma
• Mesenteric adenitis
• Parasitic infections (amebic infection)
• Pseudomembranous colitis
• Ulcerative colitis
• Carcinoid tumors
• Celiac sprue
• Collagenous colitis
• Colon carcinoma
• Diverticulitis
• Fungal infections (Histoplasma, Actinomyces)
• Gay bowel syndrome (in homosexual patient)
• Infectious diseases (TB, Yersinia, Salmonella, Shigella, Campylobacter)
• Irradiation enteritis
• Ischemic colitis in elderly patients
• Lymphoma
• Mesenteric adenitis
• Parasitic infections (amebic infection)
• Pseudomembranous colitis
• Ulcerative colitis
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Symptoms and Signs – Differential Diagnosis of Cryoglobulinemia
• Antiphospholipid antibody syndrome
• Polyarteritis nodosa
• Sarcoidosis
• Septic vasculitis
• Serum sickness
• Waldenström’s hyperglobulinemia
• Antiphospholipid antibody syndrome
• Polyarteritis nodosa
• Sarcoidosis
• Septic vasculitis
• Serum sickness
• Waldenström’s hyperglobulinemia
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Symptoms and Sign – Differential Diagnosis of Cryptococcosis
• Skin lesions confused with bacterial cellulitis or molluscum contagiosum
• Pulmonary involvement confused with Pneumocystis jiroveci pneumonia when diffuse or confused with TB or bacterial pneumonia when focal or involving the pleura
• Intracranial mass lesion (neoplasms, toxoplasmosis, TB)
• Acute or subacute meningitis (caused by Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae, Listeria monocytogenes, Mycobacterium tuberculosis, Histoplasma capsulatum, viruses)
• Skin lesions confused with bacterial cellulitis or molluscum contagiosum
• Pulmonary involvement confused with Pneumocystis jiroveci pneumonia when diffuse or confused with TB or bacterial pneumonia when focal or involving the pleura
• Intracranial mass lesion (neoplasms, toxoplasmosis, TB)
• Acute or subacute meningitis (caused by Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae, Listeria monocytogenes, Mycobacterium tuberculosis, Histoplasma capsulatum, viruses)
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Symptoms and Signs - Differential Diagnosis of Cryptorchidism
• Anorchia
• Ascended testis
• Dislocated testis
• Retractile testis
• Anorchia
• Ascended testis
• Dislocated testis
• Retractile testis
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Symptoms and Sigs – Differential Diagnosis of Cryptosporidiosis
• Shigella
• Salmonella
• Mycobacterium avium
• Microsporida
• Giardia lamblia
• Entamoeba histolytica
• Cytomegalovirus
• Clostridium difficile
• Campylobacter
• Shigella
• Salmonella
• Mycobacterium avium
• Microsporida
• Giardia lamblia
• Entamoeba histolytica
• Cytomegalovirus
• Clostridium difficile
• Campylobacter
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Symptoms and Signs – Differential Diagnosis of Cubital Tunnel Syndrome
• Adrenogenital syndrome Cutaneous Infections, Athletes
• Alcoholic pseudo-Cushing’s syndrome (endogenous cortisol overproduction)
• Carpal tunnel syndrome
• Cervical disk syndrome with radicular arm symptoms
• Erythrasma
• Folliculitis
• Furuncles
• Herpes simplex
• Impetigo
• Medial elbow instability
• Medial epicondylitis
• Molluscum contagiosum
• Obesity associated with diabetes mellitus (DM)
• Otitis externa
• Tinea cruris
• Tinea pedis
• Ulnar nerve compression at wrist (Guyon’s canal) Cushing’s Syndrome
• Verruca vulgaris
• Adrenogenital syndrome Cutaneous Infections, Athletes
• Alcoholic pseudo-Cushing’s syndrome (endogenous cortisol overproduction)
• Carpal tunnel syndrome
• Cervical disk syndrome with radicular arm symptoms
• Erythrasma
• Folliculitis
• Furuncles
• Herpes simplex
• Impetigo
• Medial elbow instability
• Medial epicondylitis
• Molluscum contagiosum
• Obesity associated with diabetes mellitus (DM)
• Otitis externa
• Tinea cruris
• Tinea pedis
• Ulnar nerve compression at wrist (Guyon’s canal) Cushing’s Syndrome
• Verruca vulgaris