392 results
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
• Malignant: HCC ... Cystadenocarcinoma, Primary SCC
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
most frequently SCC ... most frequently SCC
Cavity Mnemonic for Cavitary Pulmonary Lesions:
C: cancer 
 - bronchogenic carcinoma: most frequently squamous cell carcinoma
cell carcinoma (SCC ... most frequently SCC
Human Papillomavirus–Associated Oropharyngeal Squamous-Cell Carcinoma - Flexible nasolaryngoscopy showed an exophytic mass on the left base
Oropharyngeal #SCCa ... #SCC #HPV #Nasolaryngoscopy
Tumor markers in clinical practice
Colorectal - CEA
Hepatocellular - AFP
Pancreatic - CA 19-9
Ovarian - CA 125
Breast -
- CYFRA 21-1, SCC
Neck Mass - Differential Diagnosis Framework
Inflammatory:
 • Viral (reactive): EBV, HIV
 • Bacterial: Staph/Strep, Tularemia, Brucella
• Metastatic: SCC
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Tumors: Lung, SCC
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Exostosis) • Tumors (SCC
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Lymphoma, Head / Neck scc
Squamous-Cell Carcinoma of the Penis with Human Papillomavirus #Clinical #Derm #Honc #Penile #SCC #Glans #HPV #NEJM
#Honc #Penile #SCC