- Published on
Symptoms and Signs – Differential Diagnosis of Bacterial Meningitis
• Systemic lupus erythematosus (SLE)
• Subdural empyema
• Seizures
• Rocky Mountain spotted fever
• Partially treated bacterial meningitis
• Other infectious meningitides (e.g., viral or fungal meningitis)
• Neuroleptic malignant syndrome
• Medications
• Lyme disease
• Intracranial tumor
• Endocarditis, bacteremia
• Brain abscess
• Acute mononucleosis
• Systemic lupus erythematosus (SLE)
• Subdural empyema
• Seizures
• Rocky Mountain spotted fever
• Partially treated bacterial meningitis
• Other infectious meningitides (e.g., viral or fungal meningitis)
• Neuroleptic malignant syndrome
• Medications
• Lyme disease
• Intracranial tumor
• Endocarditis, bacteremia
• Brain abscess
• Acute mononucleosis
- Published on
Symptoms and Signs – Differential Diagnosis of Chronic Meningitis
• Tertiary syphilis
• TB
• Systemic lupus erythematosus (SLE) cerebritis
• Sarcoidosis
• Nonsteroidal anti-inflammatory drugs (NSAIDs)
• Multiple sclerosis
• Metabolic encephalopathies
• Granulomatous angiitis
• Fungal CNS infection
• Encephalitides
• CNS neoplasm
• Chronic subdural hematoma
• Behçet’s syndrome
• Anatomic defects (traumatic, congenital, postoperative)
• Tertiary syphilis
• TB
• Systemic lupus erythematosus (SLE) cerebritis
• Sarcoidosis
• Nonsteroidal anti-inflammatory drugs (NSAIDs)
• Multiple sclerosis
• Metabolic encephalopathies
• Granulomatous angiitis
• Fungal CNS infection
• Encephalitides
• CNS neoplasm
• Chronic subdural hematoma
• Behçet’s syndrome
• Anatomic defects (traumatic, congenital, postoperative)
- Published on
Symptoms and Signs – Differential Diagnosis of Recurrent Meningitis
• Tumor (epidermoid cyst, craniopharyngioma)
• SLE
• Posttraumatic (bacterial)
• Parameningeal focus
• Mollaret’s meningitis
• Infection (sinusitis, mastoiditis, osteomyelitis, brain abscess)
• Herpes simplex virus
• Drug induced (with rechallenge)
• Tumor (epidermoid cyst, craniopharyngioma)
• SLE
• Posttraumatic (bacterial)
• Parameningeal focus
• Mollaret’s meningitis
• Infection (sinusitis, mastoiditis, osteomyelitis, brain abscess)
• Herpes simplex virus
• Drug induced (with rechallenge)
- Published on
Symptoms and Signs – Differential Diagnosis of Viral Meningitis
• Meningitis secondary to Lyme disease, TB, syphilis, amebiasis
• Bacterial meningitis
• Meningitis secondary to Lyme disease, TB, syphilis, amebiasis
• Bacterial meningitis
- Published on
Symptoms and Signs – Differential Diagnosis of leptospirosis
• Systemic lupus erythematosus (SLE)
• Seizures
• Rickettsial illnesses: Rocky Mountain spotted fever
• Migraine headache
• Medications
• Carcinomatous meningitis
• Acute mononucleosis/Epstein-Barr virus
• Systemic lupus erythematosus (SLE)
• Seizures
• Rickettsial illnesses: Rocky Mountain spotted fever
• Migraine headache
• Medications
• Carcinomatous meningitis
• Acute mononucleosis/Epstein-Barr virus
- Published on
Symptoms and Signs – Differential Diagnosis of Melanocytic Nevi (Moles)
• Actinic keratosis
• Basal cell carcinoma
• Ephelides
• Lentigines
• Melanoma
• Seborrheic keratosis
• Actinic keratosis
• Basal cell carcinoma
• Ephelides
• Lentigines
• Melanoma
• Seborrheic keratosis
- Published on
Symptoms and Signs – Differential Diagnosis of Mallory-Weiss Tear
• Arteriovenous malformations
• Esophageal or gastric varices
• Esophagitis/esophageal ulcers (peptic or pill induced)
• Gastric erosions
• Gastric or duodenal ulcer
• Neoplasms (usually gastric)
• Arteriovenous malformations
• Esophageal or gastric varices
• Esophagitis/esophageal ulcers (peptic or pill induced)
• Gastric erosions
• Gastric or duodenal ulcer
• Neoplasms (usually gastric)
- Published on
Symptoms and Signs – Differential Diagnosis of Mastocytosis (Urticaria Pigmentosa)
• Café au lait spots
• Drug eruption
• Granuloma annulare
• Insect bites
• Lentigo
• Nevi and congenital pigment abnormalities
• Sarcoidosis
• Café au lait spots
• Drug eruption
• Granuloma annulare
• Insect bites
• Lentigo
• Nevi and congenital pigment abnormalities
• Sarcoidosis
- Published on
Symptoms and Signs – Differential Diagnosis of Mastitis
• Breast abscess
• Granulomatous mastitis can be a manifestation of systemic disease, including sarcoidosis, Wegener’s granulomatosis, giant cell arteritis, polyarteritis nodosa, tuberculosis, and syphilis
• Inflammatory breast cancer
• Mastitis as a symptom of hyperprolactinemia or galactorrhea
• Other cancers; 3% of women diagnosed with breast cancer are lactating
• Plugged lactiferous ducts
• Breast abscess
• Granulomatous mastitis can be a manifestation of systemic disease, including sarcoidosis, Wegener’s granulomatosis, giant cell arteritis, polyarteritis nodosa, tuberculosis, and syphilis
• Inflammatory breast cancer
• Mastitis as a symptom of hyperprolactinemia or galactorrhea
• Other cancers; 3% of women diagnosed with breast cancer are lactating
• Plugged lactiferous ducts
- Published on
Symptoms and Signs – Differential Diagnosis of Mastoiditis
• Fulminant otitis externa
• Histiocytosis X
• Histiocytosis X
• Kawasaki’s disease
• Leukemia
• Metastatic disease
• Rhabdomyosarcoma
• Fulminant otitis externa
• Histiocytosis X
• Histiocytosis X
• Kawasaki’s disease
• Leukemia
• Metastatic disease
• Rhabdomyosarcoma