Results 81 to 90 of about 177,217 (207)

Unexplained Elevated Vitamin B12: Consider Macro‐B12

International Journal of Laboratory Hematology, Volume 48, Issue 3, Page 646-651, June 2026.
ABSTRACT Introduction Elevated vitamin B12 concentration can be caused by supplementation, liver disease, kidney disease, or myeloid malignancies. Persistent, unexplained elevations of vitamin B12 can raise concern among patients and may lead to invasive diagnostic procedures, including bone marrow biopsy.
Evelien G. E. Hurkmans, Ruben Deneer, Marten R. Nijziel, Volkher Scharnhorst   +3 more
wiley   +1 more source

A Case of Pernicious Anemia with Autoimmune Hemolytic Anemia

, 1995
Pernicious anemia appears to be autoimmune in origin. Autoantibodies such as anti-parietal cell antibody and anti-intrinsic factor antibody are found in about 90% and 70% of patients, respectively.
민유홍
core  

Anemia, hematinic deficiencies, hyperhomocysteinemia, and serum gastric parietal cell antibody positivity in 884 patients with burning mouth syndrome

Journal of the Formosan Medical Association, 2020
Background/Purpose: Burning mouth syndrome (BMS) is characterized by burning sensation of the oral mucosa in the absence of clinically apparent oral mucosal alterations.
Chun-Pin Chiang, Yu-Hsueh Wu, Yang-Che Wu, Julia Yu-Fong Chang, Yi-Ping Wang, Andy Sun   +5 more
doaj   +1 more source

Skin Hyperpigmentation: An Under‐Recognized Dermatological Clue to Vitamin B12 Deficiency

Clinical Case Reports, Volume 14, Issue 5, May 2026.
Hyperpigmentation over the dorsal aspect of both hands, prominently involving the knuckles. ABSTRACT Cutaneous hyperpigmentation, an overlooked manifestation, can be an early sign of vitamin B12 deficiency. This case highlights symmetric pigmentation on the dorsum of hands and palms in a long‐term vegetarian.
Mahesh Mathur, Sumit Paudel, Sambidha Karki, Sandhya Regmi, Shilpa Maharjan, Nabita Bhattarai   +5 more
wiley   +1 more source

Observations on the etiologic relationship of achylia gastrica to pernicious anemia: I. The effect of the administration to patients with pernicious anemia of the contents of the normal human stomach recovered after the ingestion of beef muscle

, 1929
OBSERVATIONS ON THE ETIOLOGIC RELATIONSHIP OF ACHYLIA GASTRICA TO PERNICIOUS ANEMIA: I. THE EFFECT OF THE ADMINISTRATION TO PATIENTS WITH PERNICIOUS ANEMIA OF THE CONTENTS OF THE NORMAL HUMAN STOMACH RECOVERED AFTER THE INGESTION OF BEEF MUSCLE ...
Castle, William B.
core   +2 more sources

Co‐Occurrence of Agminated Lentigines, Café‐Au‐Lait Macules, and Vitiligo: A Case Report and Literature Review

Clinical Case Reports, Volume 14, Issue 5, May 2026.
ABSTRACT Lentigines, café‐au‐lait macules (CALMs), and vitiligo are pigmentary disorders that seldom occur together in a single individual. Their co‐occurrence may indicate underlying genetic syndromes requiring differential diagnosis. We report an 18‐year‐old male who developed CALMs at age 11, agminated lentigines at age 13, and vitiligo on the right
Xinxin Lei, Bo Xie
wiley   +1 more source

Pseudo-thrombotic thrombocytopenic purpura presenting as multi-organ dysfunction syndrome: A rare complication of pernicious anemia

SAGE Open Medical Case Reports, 2017
Objective: We present a rare case of pernicious anemia presented as multi-organ dysfunction syndrome, later found to have pseudo-thrombotic thrombocytopenic purpura.
Saroj Kandel, Nibash Budhathoki, Shanta Pandey, Bikash Bhattarai, Aam Baqui, Ramesh Pandey, Divya Salhan, Danilo Enriquez, Joseph Quist, Frances M Schmidt   +9 more
doaj   +1 more source

Hematinic deficiencies and anemia statuses in oral mucosal disease patients with folic acid deficiency

Journal of the Formosan Medical Association, 2015
Folic acid deficiency (FAD) may result in macrocytic anemia. This study assessed the hematinic deficiencies and anemia statuses in oral mucosal disease patients with FAD (defined as folic acid ≤ 6 ng/mL). Methods: The blood hemoglobin (Hb), iron, vitamin
Julia Yu-Fong Chang, Yi-Ping Wang, Yang-Che Wu, Shih-Jung Cheng, Hsin-Ming Chen, Andy Sun   +5 more
doaj   +1 more source

Anemia, hematinic deficiencies, and gastric parietal cell antibody positivity in atrophic glossitis patients with or without hyperhomocysteinemia

Journal of the Formosan Medical Association, 2020
Background/Purpose: Our previous study found that 127 of 1064 atrophic glossitis (AG) patients have hyperhomocysteinemia. This study assessed whether the AG patients with hyperhomocysteinemia had significantly higher frequencies of anemia, hematinic ...
Chun-Pin Chiang, Yang-Che Wu, Julia Yu-Fong Chang, Yi-Ping Wang, Yu-Hsueh Wu, Andy Sun   +5 more
doaj   +1 more source

When B12 therapy fails: two case reports of intravenous vitamin B12 resistance in pernicious anemia

Khyber Medical University Journal
BACKGROUND: Pernicious anemia is an autoimmune disorder causing vitamin B12 deficiency resulting from impaired absorption caused by intrinsic factor absence. Positive parietal cell and intrinsic factor antibodies confirm the diagnosis.
Zeeshan Shaikh, Ali Nawaz Khan, Salman Amer Sheikh, Syed Onaiz Anwar, Saeed Khan Akhtar, Rafia Alvi   +5 more
doaj   +1 more source