Short power list

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The short power list is a short differential diagnosis for the most common specimens. This list is written for junior residents and should serve as a starting point if one has no clue about the differential diagnosis for the site. It assumes the specimen comes from an adult. There is an expanded long power list.

Bone

General

Benign:

Malignant:

Femoral head

Benign:

Uncommon - benign (fracture):

Uncommon - benign pediatric:

Uncommon - malignant (fracture):

Breast pathology

Benign:

Malignant:

Uncommon benign/malignant:

Cardiovascular pathology

General

Uncommon:

Aorta

Uncommmon:

Aortic valve

Uncommon:

Mitral valve

Uncommon:

Heart

Uncommon - benign:

Uncommon - malignant:

Dermatopathology

Benign - non-melanocytic:

Benign melanocytic lesions:

Malignant:

Endocrine pathology

Thyroid gland

Benign:

Malignant:

Uncommon - malignant:

Adrenal gland

Benign:

Malignant:

Gastrointestinal pathology

Gastrointestinal polyp

Benign:

Pre-malignant:

Uncommon - pre-malignant:

Esophagus

Benign:

Benign - uncommon:

Malignant:

Stomach

Benign:

Pre-malignant:

Malignant:

Duodenum

Benign:

Pre-malignant:

Malignant:

  • Adenocarcinoma.

Uncommon benign:

Colon/rectum

Benign:

Benign - uncommon infectious:

Benign - uncommon:

Tumour:

Malignant:

Appendix

Benign:

Neoplasm:

Malignant:

  • Mucinous adenocarcinoma.

Liver

Benign:

Malignant:

Uncommon benign:

Uncommon malignant:

Gallbladder

Benign:

Uncommon - risk for dysplasia:

Uncommon - malignant:

Genitourinary pathology

Tumour kidney

Benign:

Malignant:

Uncommon - benign:

Medical kidney

Prostate gland

Benign:

Pre-malignant:

Malignant:

Uncommon - malignant:

Urinary bladder

Benign:

Pre-malignant/malignant:

Uncommon - benign:

Testis

Gynecologic pathology

Uterus

Benign:

Pre-malignant:

Malignant:

Uncommon - benign:

Uncommon - malignant:

Cervix - cytology

Benign:

  • Normal.
  • Candida.
  • Endometrial cells.
  • Atrophy.

Pre-malignant/malignant:

Uncommon - benign:

  • HSV changes.
  • Trichomonas.

Ovary

Benign:

Malignant:

Uncommon - malignant:

Fallopian tube

Benign:

Pre-malignant:

Malignant:

Uncommon - benign:

Head and neck

General

Benign:

Malignant:

Uncommon - malignant:

Salivary gland

Benign:

Malignant:

Uncommon benign:

Uncommon malignant:

Lymph node

Benign:

Malignant:

Pulmonary pathology

Benign:

  • Normal.

Malignant:

Uncommon - benign:

Uncommon - malignant:

Soft tissue

Benign:

Malignant:

Spleen

Benign:

Malignant:

Placenta

Less common:

See also