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Query: UMLS:C0033774 (pruritus)
 14,546 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Allergic reactions have been described as an occupational hazard among nurses and pharmaceutical workers who handle psyllium-containing laxatives. This study reports the case of a 38-year-old female nurse who ingested a bowl of psyllium-containing Heartwise Cereal (Kelloggs, Battle Creek, MI) and 25 minutes later developed severe systemic anaphylaxis manifested by hypotension, a feeling of constriction in the throat, hoarseness, dyspnea, wheezing, generalized pruritus, urticaria, and vomiting. She was treated with epinephrine, normal saline, diphenhydramine, and methylprednisolone, and recovered completely. Subsequent IgE immunoblot assay was strongly reactive to psyllium. Ingestion of psyllium-containing breakfast foods by sensitized individuals can be associated with life-threatening systemic anaphylaxis.
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PMID:Systemic anaphylaxis after ingestion of a psyllium-containing breakfast cereal. 186

Two hours after ingestion of improperly cooked meat a German tourist in Tunisia showed coughing, hoarseness, dysphagia, anosmia, frontal headache and epistaxis. At the same time a papular non-itching exanthema developed. The nasal discharge contained nymphs of Linguatula serrata. Histological examination of the papules revealed tissue eosinophilia and 'flame figures'. Nasopharyngeal and skin signs subsided spontaneously within 10 days. The possible role of major basic protein in the pathogenesis of nasopharyngeal linguatulosis is discussed.
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PMID:Dermatological signs of nasopharyngeal linguatulosis (halzoun, Marrara syndrome)--the possible role of major basic protein. 207 67

We report two cases of recurrent episodes of hoarseness, cough, flushing, pruritus, and rash occurring within 30 minutes of topical exposure to carbonless copy paper. Provocative challenges revealed that alkylphenol novolac resin was the ingredient responsible. Video endoscopy of the larynx was performed and plasma histamine levels were obtained prior to and 30 minutes after cutaneous challenge of a patient with alkylphenol novolac resin. We documented marked laryngeal edema and a sixfold increase in plasma histamine levels after challenge. We conclude that topical exposure to carbonless copy paper may cause mast cell/basophil-mediated acute systemic and potentially life-threatening reactions in susceptible patients.
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PMID:Acute systemic reactions to carbonless copy paper associated with histamine release. 245 72

A retrospective analysis was undertaken to better define the clinical presentation and therapy of patients with secondary hyperparathyroidism and the timing of surgical removal of the parathyroid glands in secondary hyperparathyroidism. Sixty-eight patients with end-stage renal disease (ESRD) underwent 74 parathyroid procedures over a 10-year period. There were 38 per cent women and 62 per cent men in this population--the same proportion of men and women with ESRD. These proportions are reversed when compared with patients with primary hyperparathyroidism. The mean time between initiation of dialytic therapy and parathyroidectomy was 5.4 years. Preoperative mean serum calcium and phosphorus levels were 10.1 +/- 0.2 and 6.1 +/- 0.2 mg/dl, respectively. All patients were symptomatic and 60 per cent of the patients had at least two symptoms before surgery. Renal osteodystrophy was the most common symptom (74%), whereas pruritus was noted in 65 per cent of this population. Patients underwent either subtotal (88%) or total (12%) parathyroidectomy with autotransplantation. Six patients required reoperation: five for recurrent disease (2 to 5 years after the initial surgery) and one for persistent disease. All patients were symptomatically improved after the surgery. Complications included the following: transient hoarseness (7%), hypocalcemia requiring calcium, and/or vitamin D therapy (32%) for 6 months after surgery. This analysis demonstrates that although the initial therapy of secondary hyperparathyroidism is medical, surgical therapy should be instituted before multiple symptoms develop in the ESRD population.
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PMID:Secondary hyperparathyroidism. The role of surgery. 272 73

Exercise-induced anaphylaxis (EIA) is a unique and an increasingly recognized syndrome consisting of premonitory symptoms and signs of generalized body warmth, pruritus, and erythema, which progresses on continued exertion to confluent urticaria, laryngeal edema with stridor or hoarseness, and gastrointestinal colic and frequently culminates in vascular collapse. Previous studies of five individuals with this condition have demonstrated significant elevations of serum histamine concurrent with the early clinical manifestations after experimental exercise. To assess relevant morphologic alterations in the skin of these patients, cutaneous mast cells were examined by light and transmission electron microscopy before and during the initial erythema elicited by exertion. The marked alterations observed in mast cells immediately after exercise consisted of (1) loss of electron density and internal substructure of granules, (2) fusion of granule membranes with those of adjacent granules and with mast cell membranes creating conduits to the extracellular space, and (3) an apparent decrease in the number of intact granules per cell. Biopsy specimens obtained before exercise from patients with EIA and from two normal individuals who served as control subjects were identical, and the control subjects had normal mast cell morphology after exercise. Serum histamine levels were significantly elevated in patients with EIA after exercise at the time of biopsy, whereas control subjects had normal levels. These observations provide evidence that EIA is a distinct form of physical allergy associated with mast cell degranulation similar in morphology to that of human pulmonary mast cell IgE-Fc-dependent activation secretion. Characterization of this disorder is important because its prevalence may be underestimated, and its clinical consequences, which may include some morbidity, are not fully known.
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PMID:Exercise-induced anaphylaxis: a serious form of physical allergy associated with mast cell degranulation. 398 Aug 83

A 27-year-old woman experienced pruritus, eye and throat irritation, hoarseness, shortness of breath, and fatigue within half and hour of exposure to carbonless copy paper. On two separate occasions, she was purposely challenged in a controlled-blinded fashion with portions of the carbonless copy paper. This resulted on both occasions in contact urticaria of the hand that held the paper and changes in pulmonary function flow-volume loops characteristic of upper airway obstruction. To determine if alterations in prostaglandin (PG) metabolism might explain these findings, plasma PGF2 alpha and thromboxane B2 (both capable of causing these symptoms) were measured before and during the second exposure period. Both PGF2 alpha and thromboxane B2 increased substantially. We conclude that the cutaneous and respiratory symptoms induced by carbonless copy paper were probably related to PG release.
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PMID:Contact urticaria and airway obstruction from carbonless copy paper. 623 81

We report on the case of a 32-year-old atopic patient who showed a severe anaphylactic reaction due to the ingestion of a pollen compound prepared in an herbalist's. A few minutes after ingestion, generalized pruritus, difuse erythema, facial edema, cough, hoarseness and dysphonia appeared, and the emergency administration of subcutaneous epinephrine and intravenous methylprednisolone was necessary. Skin tests with a battery of inhalants and food allergens were performed. The patient only showed sensitization to Artemisia vulgaris, Taraxacum officinalis and Salix alba. Specific IgE levels were evaluated by FEIA-CAP giving a seric level of CAP class 3 to Artemisia vulgaris and class 2 to Taraxacum officinalis and Salix alba. Samples of the pollen compound were shown in the microscopical analysis to be 93% pollens and 6% fungi. In the qualitative study Taraxacum officinalis (15%), Artemisia vulgaris (5%) and Salix alba (15%) were the main elements identified. In summary, this case study describes a food-induced systemic reaction due to a pollen compound in an atopic patient with a history of allergic rhinitis. Pollinic patients must be informed on the risks that the consumption of these compounds might cause.
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PMID:Anaphylaxis induced by ingestion of a pollen compound. 880 13

Medical examinations were performed in a group of 51 Polish farmers heavily exposed to flax dust during harvesting and scutching (threshing) and in a group of 50 healthy urban dwellers not exposed to organic dusts (controls). The examinations included: interview concerning the occurrence of respiratory disorders and work-related symptoms, physical examination, X-ray examination of chest, lung function tests, oxymetric examinations, determination of the concentration of cytokines (IL-1alpha IL-6, TNFalpha) in blood serum and allergological tests with microbial antigens associated with organic dust, comprising: skin prick test with 4 antigens, agar-gel precipitation test with 12 antigens and test for specific inhibition of leukocyte migration with 4 antigens. As many as 32 farmers (62.7%) reported the occurrence of work-related symptoms during harvesting, transporting and scutching of flax. The most common complaint was general weakness reported by 15 farmers (29.4%), followed by headache reported by 14 (27.5%), blocking of the nose - by 11 (21.6%), dry cough, shivering, and eyes itching - each by 10 (19.8%), chest tightness and hoarseness - each by 9 (17.6%). No control subjects reported these work-related symptoms. The mean spirometric values in the examined group of farmers were within a normal range and did not show a significant post-shift decline. In contrast, a significant post-shift decline of oxymetric values was found among flax farmers. The farmers showed a frequency of the positive early skin reactions to environmental allergens in the range of 0-19.6%, a frequency of positive precipitin reactions in a range of 0-56.9%, and frequency of positive reactions of leukocyte migration inhibition in a range of 7.8-21.6%. The members of the control group responded to the majority of allergens with a significantly lower frequency of positive results compared to the farmers. Elevated concentrations of IL-1alpha and IL-6, but not TNFalpha, were found in blood sera of flax farmers. In conclusion, farmers engaged in harvesting and scutching of flax represent a group of elevated professional risk because of high incidence of work-related symptoms and high frequency of allergic reactions to bacteria and fungi associated with organic dust.
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PMID:Effects of exposure to flax dust in Polish farmers: work-related symptoms and immunologic response to microbial antigens associated with dust. 1115 40

A 38-year-old farmer was apparently well until 5 years of age. At this age, the patient's mother found mildly itchy, raised eruptions over the scalp during combing of the scalp hair. Since then, the eruptions have progressed insidiously to involve the face and other parts of the body, with a preponderance over the face, upper back, and chest, including the palms. The soles, oral cavity, and genital tract were unaffected. The lesions were persistent in nature and showed no remission or exacerbation. Mild to moderate pruritus/discomfort was experienced following sunlight exposure. A prominent, raised eruption appeared on the right side of the forehead 9 years ago, 25 years after the initial eruptions, which in due course ulcerated. It was progressive in nature and acquired a large size. Two years later, it was diagnosed as squamous cell carcinoma, for which liquid nitrogen cryosurgery was performed. There was a recurrence of the lesion at the site of surgery, which was excised 4 months later. Subsequently, there was a sudden flare up at the same site. It was badly infected with maggot infestation. The relentless course of the disease was evident by the appearance of two similar lesions, one on the right half of the nose and the other on the left preauricular region. A short while ago, fatigue and loss of weight were also recorded. Bladder and bowel functions were normal and there was no loss of appetite, hoarseness of voice, or breathlessness. Four of the patient's six children (three sons and one daughter) were reported to have similar lesions all over the body. In addition, nine other relatives were also affected. Accordingly, a total of 14 (12 males and two females) family members were found to be affected from amongst 41 individuals (26 males and 15 females) spread across several generations (Fig. 1). There was a second-degree consanguinity of marriage, with the patient's grandmother and wife's father being brother and sister. Skin surface examination was marked by multiple, discrete, flat-topped, scaly, brownish-black papules of diverse morphology, from hypopigmented macules to verrucous lesions, with a few coalescing to form plaques. The scales were brown, dry, and adherent (Fig. 2a). The lesions were conspicuous by their presence over the face, neck, and front and back of the chest. The extremities were also affected. Nevertheless, the soles and genitalia were spared. The oral mucosae, hair, and nails were normal. Koebner's phenomenon was explicit, whereas Auspitz's sign was not demonstrable. In addition, a perceptible nodulo-ulcerative lesion (size, 3 in x 2 in) with indurated, raised, averted margins was encountered on the right side of the forehead. The ulcer was tender and had a fetid discharge. Necrotic slough was prominent over its base. Similar lesions were located on the left preauricular region and right half of the nose. Hematoxylin and eosin-stained sections prepared from biopsies taken from representative lesions of epidermodysplasia verruciformis and squamous cell carcinoma revealed their diagnostic features. Epidermodysplasia verruciformis showed features of hyperkeratosis and acanthosis with hardly any papillomatosis. Marginal elongation of the rete ridges was present. Extensive vacuolization was a remarkable feature, and was largely confined to the upper stratum Malpighian and the granular cell layer. Some of the vacuolated cells were fairly large; their nuclei were located in the center and had variable pyknosis. The granular cell layer was uniformly thickened, whereas the stratum corneum had a loosely felted (basket-weave) appearance. The dermis was apparently normal (Fig. 2b,c). The other microsection(s) from squamous cell carcinoma were conspicuous by the presence of hyperkeratosis, acanthosis, and irregular masses of epidermal cells, proliferating downwards and invading the dermis. Varying proportions of differentiated squamous cells formed their bulk. These cells were atypical, characterized by variations in size and shape, hyperplasia and hyperchromasia of the nuclei, absence of prickles, chas, characterization of individual cells, and the presence of both mitotic and atypical mitotic figures (Fig. 3b).
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PMID:Epidermodysplasia verruciformis: 14 members of a pedigree with an intriguing squamous cell carcinoma transformation. 1220 66

In 2000, an influenza vaccine was associated with unusual ocular and respiratory symptoms (known as "oculorespiratory syndrome" [ORS]) that possibly were due to numerous microaggregates of unsplit viruses present in the product. We assessed the potential for an improved vaccine formulation (for use in 2001-2002) to cause ORS and other symptoms in adults, using a double-blind, randomized, crossover study design. Symptoms were ascertained 24 h after 622 doses of vaccine and 626 doses of saline placebo were injected. The risk of ORS was 6.3% after vaccine injection and 3.4% after placebo injection, which yielded a significant vaccine-attributable risk of 2.9% (95% confidence interval, 0.6-5.2). ORS symptoms were mild. Significant differences in risk after injection of vaccine versus placebo existed for ocular soreness and/or itching (2.4%), coughing (1.6%), and hoarseness (1.2%). Vaccine-attributable general symptoms were infrequent. We conclude that certain mild oculorespiratory symptoms were triggered by an influenza vaccine that was otherwise minimally reactogenic and, hence, that such symptoms might be associated with influenza vaccines in general.
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PMID:Ocular and respiratory symptoms attributable to inactivated split influenza vaccine: evidence from a controlled trial involving adults. 1265 85


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