Yes, this can be normal. While AL amyloidosis often involves the bone marrow, amyloid deposits can appear in different organs, including the lungs and lymph nodes, without showing up in bone marrow tests. People with amyloidosis can have deposits concentrated in specific organs while other areas remain unaffected. Your Show Full Answer
Hi Shirley! I've been diagnosed with multifocal localized AL kappa type amyladosis in my lungs and breast. My bone marrow biopsy and fat pad biopsy came back clear. Is it normal, not sure. But it definitely lends away from me having systemic amyloidosis.
Shirley, who diagnosed your AL gorm of amyloidosis. Though very rare, some people can have both wtATTR and AL amyloidosis.