Dizionario

V

Although words like lymphocyte, lymph node, lymph, and lymphatic vessels are common in daily medical activities, Lymphology has always been considered as a sort of younger sister to Angiology or Phlebology. Also, apart from few pioneer physicians, it has never been investigated as a discreet, well identified area of research.

Therefore, the following “Dictionary” aims to be a sort of metaphorical “window” on the extensive and still poorly explored world of lymphatic diseases, as well as to provide some useful, basic information for a correct diagnosis of patients affected by lymphatic-lymph node disorders.

Questo “Dizionario” vuole, quindi, rappresentare una sorta di metaforica “finestra” sul vasto ed ancora poco inesplorato mondo della patologia linfatica e fornire utili elementi di conoscenza di base per una corretta diagnosi e gestione del paziente affetto da alterazioni del sistema linfatico-linfonoidale.

VOLUMETRY

One of the most objective and reliable methods to measure the extremities. The measurement device features a rigid cylinder filled with water, big enough to contain an extremity, and connected with a measuring system. Quite simply based on the physical principle of Archimedes, it measures – quickly and, most importantly during follow-up, in a reliable way – the volume of the affected limb, comparing it with the contralateral one.

VÖDDER METHOD

The first method of manual lymphatic drainage to be codified and used on a large scale. Dating back to the end of the ’30s, and revised according to more modern scientific know-how, it is still the most popular method employed by the “German School” of Professor Földi.

VITAL DYE

Literally, it is a dye that can be injected in vivo to identify some anatomic structures that would otherwise be difficult to detect. In lymphology, Blue Patent Violet (see BPV) is the most commonly employed vital dye.

VALSALVA MANOEUVRE

First described by Valsalva in 1704. It is performed by forcible exhalation lasting at least 10 seconds, keeping the glottis closed, after deep inhaling. This causes intrathoracic pressure to rise by 30-40 mmHg, with concurrent increase in endoabdominal pressure.

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