To date, Lamela has only managed one goal and three assists in 12 games in all competitions for Tottenham.
Manager Andre Villas-Boas has called on fans to be patient and cited the 'massive lifestyle change' as the cause of Lamela's malaise.
However, there are reports from Sportmediaset that rather than work through his problems in London, Lamela could join Napoli.
The Partenopei are looking to strengthen to maintain their flagging Serie A title challenge.
After the disappointment of a harsh Champions League exit, club owner Aurelio De Laurentiis stated that his side needed reinforcements and Napoli are expected to add to their numbers in January.
Sportmediaset admits that Lamela would be the dream signing for Napoli and the chances of a permanent deal may be slim, but a loan could be on the cards in January.
The Azzurri may have to fight Spanish giants Atletico Madrid for Lamela's services.
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