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Mini Review - (2016) Volume 7, Issue 3

Nature's Configuration of Melanoma Colonies in Pulmonary Parenchyma: Historical Lessons

Wilson IB Onuigbo*

Department of Pathology, Medical Foundation and Clinic, 8 Nsukka Lane, Enugu, Nigeria

*Corresponding Author:

Wilson IB Onuigbo
Department of Pathology
Medical Foundation and Clinic
8 Nsukka Lane, Enugu, 400001, Nigeria
Tel: +2348037208680

Received date: June 16, 2016; Accepted date: June 24, 2016; Published date: June 30, 2016

Citation: Onuigbo WIB. Nature’s Configuration of Melanoma Colonies in Pulmonary Parenchyma: Historical Lessons. Transl Biomed. 2016, 7:3.

Visit for more related articles at Translational Biomedicine


In 1889, the great German pathologist, Julius Conheim, pronounced that necropsy reveals Nature's footsteps in cancer colonization as opposed to animal experimentation. Accordingly, the easily discernible pathways of the highly colonized melanoma are worthy of tracing as regards the configuration of the colonies formed in the lungs. Perhaps, the historical aspects are best evaluated with reports published in the 19th Century Transactions of the Pathological Society of London. The historical lessons from their vivid descriptions are worthy of record selectively.


In 1889, the great German pathologist, Julius Conheim [1] averred that the findings at autopsy “are all in a manner experiments instituted by nature, which we need only rightly interpret to get a clear idea of the causes, laws of growth, and significance of the tumor.” Accordingly, a good example is the series of necropsies reported during the 19th century by members of a learned society in London [2]. In particular, the highly colored melanoma was best seen in all the nooks and corners of the pulmonary parenchyma. The lessons learnt therefrom deserve documentation.

Historical Texts

Many deposits were found in the heart, the kidneys, the spleen, suprarenal capsules, omentum, pancreas, and even the lining of the stomach and ileum [3]. Yet, there was the cryptic, “The lungs were free from the deposits.”

Another engaging case was that of a 37-year-old man who died at St. George’s Hospital, London [4]. At autopsy, among several colonies, “there was a pedunculated and lobulated growth springing from the visceral pleura, and accommodated between the lobes of the left lung.” I believe that this description was precise in terms of the pulmonary configurations.

One lung alone may be involved. Thus, Sanderson [5] saw no deposit in the left lung, whereas the right side exhibited scattered numerous growths which “differed in size from that of a pea to that of a nutmeg.” Moreover, they tended to be “grouped round the larger bronchial divisions.” Another free lung was encountered by Mackenzie [6] although the other lung manifested deposits “everywhere.”

In contrast, both lungs usually suffered together [7]. As Godlee put it [8] they occurred “throughout the lungs, but principally on the surface of the lower and middle lobes.” Moreover, they “shelled out of the pulmonary tissue with great readiness.” Also notable was the comparative statement of Legg [9] in terms of similarity in both the fewness of tumors and their abundance at the bases.

Comparism was plentifully observed by Payne as follows:

The right lung (showed) very numerous small distinct tumours, none larger than a cherry, some superficially situated and projecting on the pleural surface, some in the substance of the organ; they showed various shades of pigmentation up to actual blackness. A portion of the lower lobe on the posterior inferior margin was infiltrated with melanotic growth, forming a solid mass, three or four inches square, of a blackish-slate colour. With these exceptions the lung tissue was crepitant and natural [10].

Still on a comparative spectrum were the observations of Bryant thus”

The lungs were full of tumours, probably about half of each was thus occupied; many of these were very large, as large as an egg; when cut they were found mostly of a brownish lung of different degrees of intensity and shade. Some were almost white, others brown from the presence of pigment [11].

Fagge [12] excelled by reporting two cases. In Case I, “the lungs contained numerous nodules of growth, most of them unpigmented.” Case II consisted of a list which started with the lungs and were followed by heart, spleen, and kidneys, in one of the iliac glands, and also in the diploe of the calvaria and sternum. Indeed, the last two must have strained the searching eye!

Lastly, there was co-authorship by Calvert and Strangeways [13]. These authors again started with the lungs and stretched the positive sites to pleura, heart, stomach, intestines, liver, gall-bladder, spleen, pancreas, supra-renals, kidneys, bladder, testes, lumbar vertebrae, and dura mater. Uniquely, they revealed that “The specimens shown at the meeting were fixed in formalin and mounted in glycerine-a process begun at St. Bartholomew’s and introduced into England by Dr. Kanthack.


Melanomas are defined in Merriam-Webster’s Collegiate Dictionary [14] as “tumour containing dark pigment,” and deemed to have been named in 1838. This means that a decade elapsed before the inauguration of the Pathological Society of London (1846-48).

The earliest case of melanoma in my collection of these Transactions was in 1855, the rest being dispersed from then up to 1898. Of additional interest was the preservation of the specimen in Guy’s Hospital Museum “on account of its extreme rarity” [7]. So was another in Thomas’s Hospital, London [6]. Likewise, Godlee [8] added a Plate in which the Figures, notably “from drawing by himself,” were richly presented.

Nowadays, a prime focus on malignant melanoma research is on progress in understanding its pathology [15]. Be that as it may, it is necessary, as Macfarlane Burnet [16] spotlighted, that the historical origins of a subject should be documented. It has so been done in this present communication.


When melanomas spread, it is a rarity for the pulmonary parenchyma not to be attacked. Less commonly, one lung alone suffered. The majority exhibited bilaterality of colonization. In general, variations occurred as to the exact site, size, color, number, and movability within the parenchyma. Whereas recent progress in understanding the pathology of malignant melanoma has been published, is this paper colorfully supplies its historical background from 1855-1898.



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