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Limp

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Limp
Leo Leonidas MD, FAAP

Warning: This section is for my medical students. If you are a "worrier" type or a very anxious parent, please talk to your clinician about your child's problem or symptoms, rather than reading this differential diagnosis.


Common causes of limp that many primary care physicians
first think about are: septic arthritis, osteomyelitis, toxic
synovitis, slipped femoral capital epiphyses, leukemia,
and bone tumors. Others in this section are not common but
still should be listed.


Infections

Osteomyelitis
Septic Arthritis
Acute Myositis
Pyomyositis
Diskitis & Intervertebral Disc Infection
Epidural Abscess
Acute Appendicitis
Retroperitoneal Masses
Acute Iliac Adenitis

Inflammatory Conditions

Toxic Synovitis
Henoch-schonlein Purpura
Acute Rheumatic Fever
Juvenile Rheumatoid Arthritis
Systemic Lupus Erythematosus
Polyarteritis Nodosa
Dermatomyositis
Serum Sickness
Ulcerative Colitis; Regional enteritis
Lupoid Hepatitis

Neoplasms

Leukemia
Malignant Bone Tumors
Benign Bone Tumors

Hematologic Conditions

Hemophilia
Sickle-Cell Anemia
Phlebitis
Scurvy
Hypervitaminosis A

Trauma or Injury

Local Superficial Injury
Ligamentous Strains & Sprains
Tendon Disorders
Muscle Bruising
Fractures
Child Abuse
Injections
Subluxation of Patella

Aseptic Necrosis & Osteochondritis

Legg-Calve-Perthes Disease
Osgood-Schlatter Disease
Freiberg Disease
Kohler Disease
Sever Disease
Osteochondritis Dissecans
Chondromalacia Patellae
Larsen-Johansson Disease
Sinding-Larsen Disease


Non-Painful Causes of Limp

Slipped Femoral Capital Epiphyses
Flaccid Paralysis
Spastic Paralysis
Ataxia
Involvement of Spine
Muscular Dystrophy
Arthrogryposis
Joint Stiffness or Contractures
Leg Length Discrepancies
Coxa Vara
Knock Knees
Blount Disease
Torsional Deformities of Lower Extremities
Epiphyseal Dysplasias
Postmeningococcal Skeletal Dystrophy
Hysteria
Mimicry

Reference:

Signs & Symptoms in Pediatrics
2nd Edition
Tunnessen, Jr

Belly Pain   Air Leaks From Lungs   Acute Crying   Back Pain   Bed Wetting   Big Lymph Node   Big Spleen   Blood in Urine Chronic Diarrhea   Chest Pain   Cough   Coughing Up Blood   Constipation Droopy Eye   Enlarged Glands   Eye Swelling   Excessive Thrist   Facial Paralysis   Fainting Spell   Feeding Problem GI Bleeding   Headache   Head Tilt   Hives   High ESR   Hoarseness Joint Pain   Limp   Leg Pain   Muscle Weakness   Noisy Breathing   Nose Bleeding   Nose Obstruction   Pyuria   Recurrent Infection   Red Green Urine   Ringing in the Ears Scrotal Swelling     Seizures   Stiff Neck   Swelling of the Parotic Gland   Toe Walking   Toeing In   Toeing Out   Unequal Pupils   Vomiting   Wheezing



 

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