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Scurvy: an Unusual Cause of Anemia J Am Board Fam Pract: First Published As on 1 July 2001

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Scurvy: an Unusual Cause of Anemia J Am Board Fam Pract: First Published As on 1 July 2001 Scurvy: An Unusual Cause of Anemia J Am Board Fam Pract: first published as on 1 July 2001. Downloaded from Scott A. Cohen, MD, and Robert J. Paeglow, MD Nutritional deficiencies are a common cause of months earlier with suspected dehydration. His anemia. We describe a case of a schizophrenic pa- surgical history was notable for an inguinal hernia tient with a rapidly declining hematocrit. The pa- repair and appendectomy. His medications in- tient was a long-term inpatient at a psychiatric cluded fluphenazine, resperidone, and fluoxetine. hospital. He was brought to the emergency depart- No allergies were reported. His substance abuse ment with acute anemia initially thought to be history was negative for tobacco, drugs, and alco- secondary to gastrointestinal bleeding. Other hol. On a review of systems there were no blood or causes for his anemia were investigated when gas- bleeding disorders, fevers, or gastrointestinal symp- trointestinal bleeding was ruled out. toms other than the bloody stools. When exam- A dietary history showed that the patient’s diet ined, the patient was a very thin man lying in bed consisted entirely of bread, cheese, and water. The with severe pallor and in mild diaphoresis. His patient was transfused and given oral vitamin C. blood pressure was 110/72 mmHg, pulse was 94 Within 48 hours his hematocrit increased from beats per minute and regular, and respiratory rate 15.8% to 28%. The patient was transferred back to was 18/min, and he was afebrile. Findings from a the psychiatric hospital, where he continued to im- head, ears, eyes, nose, and throat examination were prove on oral vitamin C. At a follow-up visit after remarkable for poor dentition, pale conjunctiva, discharge, he had a hematocrit of 41% and no signs and mild gingival erythema. Findings from a heart, of additional bleeding. lung, and abdominal examination were unremark- The diagnosis of scurvy can often be overlooked able. His lower extremities had large bilateral knee because it is rarely encountered in present-day so- ϩ effusions and pitting edema (2 ) to above the http://www.jabfm.org/ ciety. A nutritional history is important, especially knees. The skin examination showed large, conflu- in the elderly, institutionalized, eating-disordered, ent, nonpalpable, ecchymotic areas extending pos- or psychiatric patient. teriorly from the inferior aspect of the buttocks to below the popliteal fossae. Ecchymotic areas were Case Report also found in the right antecubital fossa. An initial A 40-year-old man with schizophrenia was brought rectal examination reported by the emergency de- to the emergency department by his caretakers, partment was positive for occult blood; however, on 25 September 2021 by guest. Protected copyright. who reported a 2-week history of progressive fa- subsequent rectal examinations were negative. tigue, leg and knee pain, apparent lightheadedness, Laboratory studies performed at the time of and generalized weakness. The patient’s schizo- admission disclosed the following values: hemoglo- phrenia and delusional thinking compromised his bin 7.7 g/dL and hematocrit 22.2%, with a mean ability to provide useful historical information. On corpuscular volume of 74 ␮m3 (Table 1). Results the day of admission the patient was noted to be from laboratory reports 3 months and 6 months “refusing” to walk. The caretakers also commented before admission were hemoglobin 10.9 g/dL and on the patient’s apparent decline in function during 14.6 g/dL, respectively, and hematocrit 32.3% and the 2 weeks before admission, noting some “bloody 41.2%, respectively. Prothrombin time, activated stools,” shortness of breath, knee swelling and partial thromboplastin time, Ivy bleeding time, and “easy bruising.” platelet count were normal. The patient was admit- His medical history was remarkable for schizo- ted, and he initially refused a transfusion. Intrave- phrenia and anxiety. He had been hospitalized 6 nous hydration was begun, along with a workup to determine the cause of his anemia. Six hours after Submitted, revised, 29 November 2000. admission his hematocrit dropped to 15%, and he From the Department of Family and Community Medi- became tachycardic, diaphoretic, and hypotensive. cine (SAC, RJP), Albany Medical Center, Albany, NY. Ad- dress reprint requests to Scott A. Cohen, MD, Bassett A psychiatrist was consulted and determined the Healthcare–Norwich, 55 Calvary Dr, Norwich, NY 13815. patient not capable of making decisions in his best 314 JABFP July–August 2001 Vol. 14 No. 4 Table 1. Hematology Laboratory Results in a Man With Scurvy. 6ϩ Hours After 6 Days After Components Admission* Admission Admission J Am Board Fam Pract: first published as on 1 July 2001. Downloaded from Hemoglobin (g/dL) 7.7 (13.6–16.7) 5.5 11.4 Hematocrit (%) 22.2 (40.0–49.0) 15.8 33.7 Platelets (ϫ103/␮L) 334 (130–350) 237 374 White cells (ϫ103/␮L) 7.9 (4.0–9.0) 5.4 7.1 Mean corpuscular volume (␮m3) 79.8 (82.3–93.2) — — Mean corpuscular hemoglobin (g/dL) 27.7 (27.8–31.9) — — Red cell distribution width (%) 12.7 — — Erythrocyte sedimentation rate (mm/h) 105 65 Total bilirubin (mg/dL) 2.1 (0.1–1.2) 4.0 1.7 Direct bilirubin (mg/dL) 0.4 (0.0–0.3) 0.5 0.5 Reticulocyte count (%) 2.6 — 3.1 *Normal range given in parentheses. interests. The patient was then given4Uofred alternate course of action would have been to man- blood cells, and his clinical condition stabilized. age the patient’s condition with the initial transfu- Acute retroperitoneal bleeding was considered sion to stabilize him, subsequently adding vitamin when reexamination of the patient revealed diffuse and iron supplements while awaiting laboratory abdominal tenderness; however, an abdominal studies. computed tomographic scan was negative. We considered a diagnosis of scurvy when no After he was stabilized, and because there was no other proposed cause adequately explained the pa- obvious cause of his anemia, a further workup en- tient’s anemia. The clinical findings of ecchymoses, sued. Iron studies, vitamin B12 and folate levels, knee effusions, and gingival erythema were all con- http://www.jabfm.org/ lactate dehydrogenase, and creatine kinase were all sistent with the pathophysiologic effects of scurvy, within normal limits. Coombs test was negative. which causes blood vessel fragility and bleeding No apparent site of bleeding could be established into body tissues. We reviewed the patient’s history other than the skin ecchymoses. Elevated bilirubin with the caretakers and discovered that his diet levels prompted a workup for a hemolytic process, consisted exclusively of white bread, processed but there was no evidence of hemolysis from the cheese, and water. No vitamin supplements were on 25 September 2021 by guest. Protected copyright. peripheral smear and haptoglobin levels. An under- added to this diet. An oral regimen of 500 mg of production type of anemia was considered when a vitamin C twice daily was begun, and plasma ascor- reticulocyte count of 2.9% was obtained. The re- bate levels were measured. ticulocyte response was considered inadequate in The patient improved gradually, with his hemat- relation to the degree of anemia. Hematologists ocrit first stabilizing and then increasing. He began were consulted to help decide whether a bone mar- to show an increase in his energy and activity levels. row biopsy would contribute to the diagnosis. They He was discharged on hospital day 6, walking, with recommended a bone marrow biopsy, the results of a hematocrit of 33%. Plasma ascorbate levels were which were essentially normal. The hematology 0.0 mg/dL, reported 1 week later. Subsequent fol- consultants noted the anemia was most likely re- low-up examinations after discharge showed a he- lated to anemia of chronic disease, although no matocrit of 41% with resolution of the ecchymotic chronic disease could be determined. They attrib- areas and knee effusions. uted the rapid drop in hematocrit to aggressive hydration and blood dilution. These explanations, although, did not address the patient’s worsening Discussion clinical status in conjunction with the declining Petechial hemorrhages, ecchymoses, coiled or hematocrit. corkscrew hairs, and gingivitis are common signs of In retrospect, consultation and bone marrow bi- scurvy. Other manifestations, as vitamin C stores opsy added little useful diagnostic information. An are further depleted, include extremity edema, con- Scurvy 315 junctival hemorrhages, arthralgias, hemarthroses, undergo endoscopy or arthrocentesis, bleeding into anemia, gastrointestinal bleeding, wound healing the gastrointestinal tract, joints, and other tissues is defects, fatigue, weakness, and weight loss.1 Ascor- the likely cause of his severe anemia. Anemia in J Am Board Fam Pract: first published as on 1 July 2001. Downloaded from bic acid is an essential cofactor in many human scurvy patients can also be attributed to hemolysis biochemical processes, including iron incorpora- and decreased hematopoiesis caused by a dimin- tion into heme and collagen cross-linking. Blood ished ability to incorporate iron into hemoglobin, vessel fragility thus results from impaired synthesis which might also explain the patient’s high biliru- of the basal laminae. Manifestations of scurvy, such bin levels. as poor wound healing and bleeding, are the result of defects in collagen synthesis. Unlike other ani- Conclusion mals, humans are unable to synthesize vitamin C Scurvy is a relatively uncommon diagnosis, but the and are dependent on vitamin C from dietary consequences of a missed diagnosis can be dire. sources. Patients at risk for scurvy include alcohol- Family physicians should consider nutritional defi- ics and institutionalized patients, as well as those ciencies in psychiatric, institutionalized patients with generally poor nutrition or malabsorption. and others at risk for disordered eating.6–10 Ade- Scurvy has been described for centuries. It was tailed dietary history can reveal clues to the diag- recognized as an important problem beginning in nosis.
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