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(16 Results)![Myopathy in Acute Lymphoma](https://www.arkanalabs.com/wp-content/uploads/2023/05/Figure-1-432x288.jpg)
Myopathy in Acute Lymphoma
Clinical History This 77-year-old patient presented with atrophy of the cranial and extremity muscles, dysphagia, and multiple falls. Past medical…
![Amyloid C5b-9](https://www.arkanalabs.com/wp-content/uploads/2023/04/M23-00545B_Frozen_CongoRed_Light_2_polarized-copy-2-432x288.jpg)
Amyloid C5b-9
Clinical History: This 64-year-old patient presents with progressive distal bilateral upper and lower extremity numbness and pain. They also reported…
![TTR gene](https://www.arkanalabs.com/wp-content/uploads/08/11/Figure-1-432x288.jpg)
Hereditary Amyloid Neuropathy
Elderly female with amyloid neuropathy of the sural nerve. Cross-sections of the left sural nerve prepared from formalin-fixed paraffin-embedded (FFPE)…
![Amyloid Proximal Tubulopathy](https://www.arkanalabs.com/wp-content/uploads/08/03/Figure-1-scaled-432x288.jpg)
Diagnose This (August 2, 2021)
This biopsy is from a 61yo male with DM, CHF, CKD4, and an abnormal SPEP. UMOD IHC was negative. What…
![ALECT2 Amyloidosis, arkana laboratories, renal pathology](https://www.arkanalabs.com/wp-content/uploads/Image-1-copy-6-432x288.jpg)
ALECT2 Amyloidosis
The patient is a 75-year-old Hispanic male who presents with progressively worsening kidney function and a creatinine of 1.6 mg/dl…
![ANCA Disease, LECT2 Amyloid, IgG4-Related Disease, AL amyloidosis, ANCA, digging deeper, Dr. Messias, Arkana Laboratories, pathology diseases](https://www.arkanalabs.com/wp-content/uploads/DiggingDeeper-432x288.jpg)
Step By Step
The biopsy is from a 65 year-old female who presented with acute renal failure and elevated creatinine up to 1.9…
![IgA nephropathy in renal biopsy from Arkana Laboratories](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-61-432x288.jpg)
IgA nephropathy with something extra…
The biopsy is from a 61-year-old man with a history of intermittent microscopic hematuria for many years who presents with…
![Amyloidosis, ALect2-Type, arkana laboratories, pushing glass](https://www.arkanalabs.com/wp-content/uploads/Low-power-trichrome-stain-copy-432x288.jpg)
Pushing Glass (April 6, 2018)
A 75-year-old Hispanic male presents with a creatinine of 3. His creatinine has slowly been creeping up over the last…
![AAPOAI Amyloidosis](https://www.arkanalabs.com/wp-content/uploads/tp3.22-432x288.jpg)
Twitter Poll (March 21, 2018)
ANSWER: B AAPOAI Amyloidosis is the 2nd most common systemic hereditary amyloidosis which can be seen in kidney, liver, larynx,…
![Amyloid Fibril Deposits](https://www.arkanalabs.com/wp-content/uploads/tp9.12-432x288.jpg)
Twitter Poll (September 12, 2017)
Answer: C Amyloid fibrils typically measure 8-12 nm (answer C). The deposits seen in Immunotactoid glomerulopathy are composed by tubules…
![AA Amyloid](https://www.arkanalabs.com/wp-content/uploads/AA-amyloid_Fig1-image-copy-432x288.jpg)
AA Amyloid
This biopsy from a patient with massive proteinuria showed diffuse and near-global involvement of glomeruli by amorphous deposits (Fig. 1)…
![Amyloidosis](https://www.arkanalabs.com/wp-content/uploads/1-Low-power-trichrome-copy-432x288.jpg)
Pushing Glass (July 25, 2017)
The patient is a 64-year-old female who presents with 4.5 grams of proteinuria, hematuria, and a creatinine of 1.5. She…
![Congo Red Stain](https://www.arkanalabs.com/wp-content/uploads/Fig-1_congo-red-copy-432x288.jpg)
Congo Red Stain
Importance of the congo red stain The ability to detect amyloid deposits in human tissue is the critical first step…
![Amyloid Composed of Leukocyte Chemotactic Factor 2 (LECT2)](https://www.arkanalabs.com/wp-content/uploads/LECT2-PHOTO-1-1-432x288.jpg)
LECT2
Photomicrographs show extensive interstitial and glomerular deposition of Congo red positive material that stains positive for LECT2. Despite being one…