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Biomedical subjects

E Nunzi

Publications and source records attributed to E Nunzi.

At least 19 recordsLinked to original sources

[Multibacillary atypical mycobacteriosis].

A case of atypical multibacillary mycobacteriosis is described. The differential diagnosis is discussed on the basis of clinical, microbiological and histopathological parameters.

Adolescent

[Anti-nDNA antibodies in lupus erythematosus].

Using the ELISA technique we have tested anti-nDNA antibodies in 79 patients affected with Lupus Erythematosus. The same patients have previously been tested for anti-cardiolipin antibodies. According to the literature, cross inhibition ELISA tests show no cross reactions between these two auto-antibodies families. Patients with highest anti-nDNA antibodies show a production of polyclonal (IgG, IgM, IgA) antinuclear antibodies responsible for a homogeneous pattern detected by indirect immunofluorescence.

Adult

Traumatic eosinophilic ulcer of the oral mucosa.

A typical case of eosinophilic ulcer of the tongue is described. It confirms the traumatic cause for this benign, self-healing lesion that may be misdiagnosed and clinically confused with squamous cell carcinoma. The short time that the lesion takes to heal is an important diagnostic clue in differentiating eosinophilic ulcer of the tongue from cancer, thus sparing the patient unnecessary surgery or radiation therapy. The histopathologic pattern is also diagnostic. We prefer to call this lesion traumatic ulcer of the oral mucosa.

Aged

The speckled immunofluorescence of epidermal nuclei as an in vivo phenomenon.

The deposition of speckled-patterned immunoglobulins in epidermal nuclei has been investigated in seventeen patients with various diseases other than mixed connective tissue disease. The phenomenon was seen not only with low titres of circulating antinuclear antibodies of IgG and IgM classes, but even in their absence. The clinical significance of this finding remains obscure, but the common explanation, that it is a simple artifact, seems quite untenable.

Antibodies, Antinuclear

Urticaria-like follicular mucinosis.

Two middle-aged men with a cyclic eruption of transient urticarial papules of the face are described. Deposits of mucinous material were observed in cycstic spaces in their hair follicles. In direct immunofluorescence cells bearing IgE and C1q were found scattered in the dermis and were identified as mast-cells. Both patients experienced some relief of their disease in summer.

Facial Dermatoses

Rosacea.

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Diagnosis, Differential

Dermatobia hominis infestation.

A patient is reported who, after leaving Venezuela, developed some boils on the left upper limb inhabited by Dermatobia hominis larvae. The curious life-cycle of this tropical fly is described with some considerations about the diagnostic problem. A simple unreported way of larvae extraction is suggested.

Aged

Immunofluorescence findings in haematoporphyrin-induced keloid.

A case of haematoporphyrin-induced keloid is described in which immunofluorescence (IF) revealed antibodies eluted from circulating lymphoid cells directed against fibroblasts. The antibodies eluted belonged to the main Ig classes IgD and IgM and they did not bind complement in vitro. Their possible activity in stimulating fibroblasts is discussed.

Adult

[Hypokalemic myopathy in arterial hypertension].

Three cases of arterial hypertension and severe hypokaliemia are reported; in two cases an acute rhabdomyolisis was also observed. The syndrome was iatrogenic in two cases depending on the licorice eating and the combined use of diuretics and a 9-alpha-fluoroprednisolone-containing nasal spray in one patient, and on a long-term use of the same nasal decongestant in the other. In the patient 2 the persistence of low PRA and aldosterone levels seems to indicate an excess of mineralcorticoid activity other than aldosterone. The syndrome of factitious mineralcorticoid excess should, therefore, be considered in the differential diagnosis of arterial hypertension with hypokaliemia; the risks of a long-term administration of steroid-containing nasal sprays, responsible of serious side effects, should also be stressed.

Adult