36 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... - Differential ... in adults - Breast ... Tumours #MSK #Differential ... Orthopedics #Causes #Oncology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... renal, Bladder, Breast ... Miscellaneous - Bone ... Hyperthyroid, Bony ... Hypercalcemia #Differential
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
Pupillary Abnormalities ... accommodate but do not react ... Equal Pupils and One ... #Diagnosis #Ophthalmology ... #Differential #
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Lymphadenopathy - Differential ... Thoracic Malignancy (Breast ... Thoracic Wall, Breast ... Lymphadenopathy #LAD #Differential ... Causes #Hematology #Oncology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
3: Necrosis of bone ... destroying thin bony ... into contiguous areas ... postauricular crease ... symptoms #diagnosis #otology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential ... • Shortness of breath ... sustained over a one-hour ... • Dyspnea at rest ... #differential #
BLT with a Kosher Pickle - Mnemonic for Cancers that Metastasize to Bone 

B - Breast
L
Metastasize to Bone ... B - Breast ... #Metastasize #Bone ... Osseous #Mets #Oncology ... #Diagnosis #Differential
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... herniation • Anatomic abnormalities ... common: lung, breast ... common: lung, breast ... #Back #Pain #Differential
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
resorption in the bone ... resorption in the bone ... lung, Renal Cell, Breast ... Pathophysiology #Differential
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Breast, Kidney, ... Cytokine-Mediated Bone ... Lymphomas) Metastatic Bone ... Hypercalcemia #Differential