clinical photo

Morton's Neuroma

Definition

 

Benign enlargement of the common digital branch

- usually 3rd webspace

 

Mortons Neuroma Common Site

 

Anatomy

 

Found at level of or just distal to MT heads

- deep to the deep transverse MT ligament

 

Epidemiology

 

Classically women between 40 and 60

Quadriceps Rupture

Epidemiology

 

Usually occurs in patients over 60

- due to decreased vascularity & collagen weakness

 

Younger patient on steroids / growth hormone

 

Occasionally occurs in young athlete with excessive contracture

 

Aetiology

 

Often preceded by quadriceps tendinosis

 

Hammer Toe

Definition 

 

Flexion deformity PIPJ with

- MTPJ normal / simple

- MTPJ hyper-extended / complex

- DIPJ any position

- P1 may become subluxed or dislocated

 

Aetiology

 

Uncertain

 

Long second toe / MT

Hallux valgus

Tight shoes

 

Examination

 

Osteoarthritis

EpidemiologyHeberden's Nodes

 

Male & Females > 60 years

- X-ray evidence of OA

 

Symptomatic 

- 25% females

- 15% males

 

Affected joints

 

Base thumb

PIPJ / Bouchard's nodes

DIPJ / Heberden's nodes

 

Inflammatory Arthritis

Conditions

 

Acro-osteolysis

SLE

Scleroderma

Psoriasis

 

Acro-osteolysis

 

Definition

 

Absorption of distal tuft of phalanx

 

DDx

 

Psoriasis

Scleroderma / Raynauds

Frost Bite

Hyperparathyroidism

Diabetes

Vasculitis

Leprosy

RA rarely

Gout

 

Pes Planus

Definition

 

No good definition

- flexible flat foot

- medial longitudinal arch of foot in weight-bearing is in contact with ground or closer to ground than 'normal'

 

Epidemiology

 

Common

- almost always bilateral

- strong familial tendency

 

Aetiology

 

Physiological

 

All infants have flat feet