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Orthopaedics

Benign Bone Tumours

Built from Pillemer — Physical Signs in Orthopaedics and Neurology

The first 25 slides of Benign Bone Tumours
The first 25 slides, exactly as they appear. The full deck has 59 content slides.

What’s inside

6 sections · 59 slides

  1. 01

    Overview

    • What this topic teaches you
    • How these lesions announce themselves

    2 slides

  2. 02

    Benign or Malignant on X-Ray?

    The four warning signs of malignancy, and the reassuring look of a benign lesion

    • The one idea that matters most: the zone of transition
    • Four X-ray signs of malignancy
    • Poorly defined endosteal margin
    • Cortical erosion and destruction
    • Sign 3 in detail: the angry periosteum
    • Sunburst periosteal reaction
    • Periosteal elevation
    • Codman's triangle
    • Tumour extension into soft tissues
    • Benign versus malignant — the contrast

    10 slides

  3. 03

    The Benign Lesions One by One

    For each: who gets it, where it sits, and how it looks on X-ray

    • Before the list: why AGE is your first filter
    • Osteoid osteoma — the classic night-pain lesion
    • Osteoid osteoma on X-ray
    • Osteoblastoma — the big brother of osteoid osteoma
    • Osteoblastoma on X-ray
    • Giant cell tumour (GCT)
    • Giant cell tumour on X-ray
    • Pigmented villonodular synovitis (PVNS)
    • Pigmented villonodular synovitis
    • Fibrous cortical defect (FCD)
    • Fibrous cortical defect
    • Osteochondroma — commonest benign tumour
    • Osteochondroma on X-ray
    • Enchondroma — cartilage inside the bone
    • Enchondroma on X-ray
    • When enchondromas come in numbers: two syndromes
    • Ollier disease
    • Maffucci's syndrome
    • Chondroblastoma — cartilage tumour of the growth plate
    • Chondroblastoma on X-ray
    • Chondromyxoid fibroma (CMF)
    • Chondromyxoid fibroma

    22 slides

  4. 04

    The 'FLASH' Lesions

    Fibrous dysplasia, infection, and the cystic lesions that complete the checklist

    • F — Fibrous dysplasia
    • Fibrous dysplasia on X-ray
    • L — Brodie abscess (infection)
    • Brodie abscess
    • A — Aneurysmal bone cyst (ABC)
    • Aneurysmal bone cyst
    • S — Simple (unicameral) bone cyst
    • Simple (unicameral) bone cyst
    • H — Hyperparathyroidism: the Brown tumour
    • Brown tumour of hyperparathyroidism
    • H — Histiocytosis X: Eosinophilic granuloma (EG)
    • Eosinophilic granuloma — skull and spine
    • Eosinophilic granuloma — bone lesions

    13 slides

  5. 05

    A System for the X-Ray

    The '2 3 4 FLASH' checklist so nothing is missed

    • Why you need a routine
    • The '2 3 4 FLASH' checklist
    • The mnemonic at a glance

    3 slides

  6. 06

    Putting It Together

    Summary and self-test

    • Take-home messages
    • A teenager has a lytic epiphyseal lesion at the distal femur with stippled calcification. Which benign lesions fit?
    • Physical Signs in Orthopedic and Neurologic Disorders: A Practical Guide

    3 slides