Electron microscopy
Ambiguous neoplasms: diagnosis, demonstration of melanosomes, junctional complexes, cilia, etc | EM
Ciliary Biopsies, Cytology specimens | EM
Kidney biopsy | EM
Liver, heart, skeletal muscle biopsies: Primary Metabolic Disorders | EM
Lung biopsies: genetic surfactant disorders and other diseases | EM
Mitochondriopathy: skeletal and heart muscle biopsy | EM
Nerve biopsy | EM