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AKA ghost corpuscle or phantom corpuscle Hypochromic, crescent-shaped erythrocytes from artifactual rupture of a red cell with loss of the...

Achondroplasia is inherited in an autosomal dominant manner but is the result of spontaneous mutation in about 80% of cases...

Acellular dark structures that re Calcareous concretions are found in the histological section of the epiphysis.

Acardiacus amorphous is a deformed fetus having developed no heart, connected as a parasite to another fetus

Retinal detachment is the separation of the outer retinal pigment epithelium from the inner neurosensory-retina. Fluid accumulates in the subretinal...

Air in the stomach (→), Air in the small and large intestine (←). The additional fluid level in the large...

Differential Dx: Seborrheic Keratosis Warty-looking lesions are actually seborrheic keratosis, hypertrophic actinic keratoses, or squamous cell carcinomas. Some genital warty...

Essentials of Dx: acne vulgaris. Almost universal in puberty; may begin in premenarchal girls and present or persist into the...

Essentials of Dx: stasis dermatitis. History of venous thromboembolism. The symmetry of swelling. Pain. Change with dependence. Skin findings: hyperpigmentation,...

The differential of Dx: ischemic arterial ulcer. vasculitis, pyoderma gangrenosum, arterial ulcerations, infection, trauma, skin cancer, arachnid bites sickle cell...